1918997640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:453

約数の個数: 384

約数和(自身を含む): 7529034240

約数和(自身を除く): 5610036600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 113, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 226, 230, 252, 276, 280, 293, 315, 322, 339, 345, 360, 414, 420, 452, 460, 483, 504, 552, 565, 586, 630, 644, 678, 690, 791, 805, 828, 840, 879, 904, 920, 966, 1017, 1035, 1130, 1172, 1260, 1288, 1356, 1380, 1449, 1465, 1582, 1610, 1656, 1695, 1758, 1932, 2034, 2051, 2070, 2260, 2344, 2373, 2415, 2520, 2599, 2637, 2712, 2760, 2898, 2930, 3164, 3220, 3390, 3516, 3864, 3955, 4068, 4102, 4140, 4395, 4520, 4746, 4830, 5085, 5198, 5274, 5796, 5860, 6153, 6328, 6440, 6739, 6780, 7032, 7119, 7245, 7797, 7910, 8136, 8204, 8280, 8790, 9492, 9660, 10170, 10255, 10396, 10548, 11592, 11720, 11865, 12306, 12995, 13185, 13478, 13560, 14238, 14490, 15594, 15820, 16408, 17580, 18193, 18459, 18984, 19320, 20217, 20340, 20510, 20792, 21096, 23391, 23730, 24612, 25990, 26370, 26956, 28476, 28980, 30765, 31188, 31640, 33109, 33695, 35160, 35595, 36386, 36918, 38985, 40434, 40680, 41020, 46782, 47173, 47460, 49224, 51980, 52740, 53912, 54579, 56952, 57960, 60651, 61530, 62376, 66218, 67390, 71190, 72772, 73836, 77970, 80868, 82040, 90965, 92295, 93564, 94346, 94920, 99327, 101085, 103960, 105480, 109158, 116955, 121302, 123060, 132436, 134780, 141519, 142380, 145544, 147672, 155940, 161736, 163737, 165545, 181930, 184590, 187128, 188692, 198654, 202170, 218316, 231763, 233910, 235865, 242604, 246120, 264872, 269560, 272895, 283038, 284760, 297981, 303255, 311880, 327474, 331090, 363860, 369180, 377384, 397308, 404340, 424557, 436632, 463526, 467820, 471730, 485208, 496635, 545790, 566076, 595962, 606510, 654948, 662180, 695289, 707595, 727720, 738360, 761507, 794616, 808680, 818685, 849114, 927052, 935640, 943460, 993270, 1091580, 1132152, 1158815, 1191924, 1213020, 1309896, 1324360, 1390578, 1415190, 1489905, 1523014, 1637370, 1698228, 1854104, 1886920, 1986540, 2085867, 2122785, 2183160, 2284521, 2317630, 2383848, 2426040, 2781156, 2830380, 2979810, 3046028, 3274740, 3396456, 3476445, 3807535, 3973080, 4171734, 4245570, 4569042, 4635260, 5330549, 5562312, 5660760, 5959620, 6092056, 6549480, 6853563, 6952890, 7615070, 8343468, 8491140, 9138084, 9270520, 10429335, 10661098, 11422605, 11919240, 13707126, 13905780, 15230140, 15991647, 16686936, 16982280, 18276168, 20858670, 21322196, 22845210, 26652745, 27414252, 27811560, 30460280, 31983294, 34267815, 41717340, 42644392, 45690420, 47974941, 53305490, 54828504, 63966588, 68535630, 79958235, 83434680, 91380840, 95949882, 106610980, 127933176, 137071260, 159916470, 191899764, 213221960, 239874705, 274142520, 319832940, 383799528, 479749410, 639665880, 959498820, 1918997640]

約数ペア:

[(1, 1918997640), (2, 959498820), (3, 639665880), (4, 479749410), (5, 383799528), (6, 319832940), (7, 274142520), (8, 239874705), (9, 213221960), (10, 191899764), (12, 159916470), (14, 137071260), (15, 127933176), (18, 106610980), (20, 95949882), (21, 91380840), (23, 83434680), (24, 79958235), (28, 68535630), (30, 63966588), (35, 54828504), (36, 53305490), (40, 47974941), (42, 45690420), (45, 42644392), (46, 41717340), (56, 34267815), (60, 31983294), (63, 30460280), (69, 27811560), (70, 27414252), (72, 26652745), (84, 22845210), (90, 21322196), (92, 20858670), (105, 18276168), (113, 16982280), (115, 16686936), (120, 15991647), (126, 15230140), (138, 13905780), (140, 13707126), (161, 11919240), (168, 11422605), (180, 10661098), (184, 10429335), (207, 9270520), (210, 9138084), (226, 8491140), (230, 8343468), (252, 7615070), (276, 6952890), (280, 6853563), (293, 6549480), (315, 6092056), (322, 5959620), (339, 5660760), (345, 5562312), (360, 5330549), (414, 4635260), (420, 4569042), (452, 4245570), (460, 4171734), (483, 3973080), (504, 3807535), (552, 3476445), (565, 3396456), (586, 3274740), (630, 3046028), (644, 2979810), (678, 2830380), (690, 2781156), (791, 2426040), (805, 2383848), (828, 2317630), (840, 2284521), (879, 2183160), (904, 2122785), (920, 2085867), (966, 1986540), (1017, 1886920), (1035, 1854104), (1130, 1698228), (1172, 1637370), (1260, 1523014), (1288, 1489905), (1356, 1415190), (1380, 1390578), (1449, 1324360), (1465, 1309896), (1582, 1213020), (1610, 1191924), (1656, 1158815), (1695, 1132152), (1758, 1091580), (1932, 993270), (2034, 943460), (2051, 935640), (2070, 927052), (2260, 849114), (2344, 818685), (2373, 808680), (2415, 794616), (2520, 761507), (2599, 738360), (2637, 727720), (2712, 707595), (2760, 695289), (2898, 662180), (2930, 654948), (3164, 606510), (3220, 595962), (3390, 566076), (3516, 545790), (3864, 496635), (3955, 485208), (4068, 471730), (4102, 467820), (4140, 463526), (4395, 436632), (4520, 424557), (4746, 404340), (4830, 397308), (5085, 377384), (5198, 369180), (5274, 363860), (5796, 331090), (5860, 327474), (6153, 311880), (6328, 303255), (6440, 297981), (6739, 284760), (6780, 283038), (7032, 272895), (7119, 269560), (7245, 264872), (7797, 246120), (7910, 242604), (8136, 235865), (8204, 233910), (8280, 231763), (8790, 218316), (9492, 202170), (9660, 198654), (10170, 188692), (10255, 187128), (10396, 184590), (10548, 181930), (11592, 165545), (11720, 163737), (11865, 161736), (12306, 155940), (12995, 147672), (13185, 145544), (13478, 142380), (13560, 141519), (14238, 134780), (14490, 132436), (15594, 123060), (15820, 121302), (16408, 116955), (17580, 109158), (18193, 105480), (18459, 103960), (18984, 101085), (19320, 99327), (20217, 94920), (20340, 94346), (20510, 93564), (20792, 92295), (21096, 90965), (23391, 82040), (23730, 80868), (24612, 77970), (25990, 73836), (26370, 72772), (26956, 71190), (28476, 67390), (28980, 66218), (30765, 62376), (31188, 61530), (31640, 60651), (33109, 57960), (33695, 56952), (35160, 54579), (35595, 53912), (36386, 52740), (36918, 51980), (38985, 49224), (40434, 47460), (40680, 47173), (41020, 46782)]