649486890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 1981808640

約数和(自身を除く): 1332321750

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 47, 54, 62, 65, 78, 90, 93, 94, 117, 127, 130, 135, 141, 155, 186, 195, 234, 235, 254, 270, 279, 282, 310, 351, 381, 390, 403, 423, 465, 470, 558, 585, 611, 635, 702, 705, 762, 806, 837, 846, 930, 1143, 1170, 1209, 1222, 1269, 1270, 1395, 1410, 1457, 1651, 1674, 1755, 1833, 1905, 2015, 2115, 2286, 2418, 2538, 2790, 2914, 3055, 3302, 3429, 3510, 3627, 3666, 3810, 3937, 4030, 4185, 4230, 4371, 4953, 5499, 5715, 5969, 6045, 6110, 6345, 6858, 7254, 7285, 7874, 8255, 8370, 8742, 9165, 9906, 10881, 10998, 11430, 11811, 11938, 12090, 12690, 13113, 14570, 14859, 16497, 16510, 17145, 17907, 18135, 18330, 18941, 19685, 21762, 21855, 23622, 24765, 26226, 27495, 29718, 29845, 32994, 34290, 35433, 35814, 36270, 37882, 39339, 39370, 43710, 44577, 49530, 51181, 53721, 54405, 54990, 56823, 59055, 59690, 65565, 70866, 74295, 77597, 78678, 82485, 89154, 89535, 94705, 102362, 106299, 107442, 108810, 113646, 118110, 131130, 148590, 153543, 155194, 161163, 164970, 170469, 177165, 179070, 185039, 189410, 196695, 212598, 222885, 232791, 255905, 268605, 284115, 307086, 322326, 340938, 354330, 370078, 387985, 393390, 445770, 460629, 465582, 511407, 511810, 531495, 537210, 555117, 568230, 698373, 767715, 775970, 805815, 852345, 921258, 925195, 1022814, 1062990, 1110234, 1163955, 1381887, 1396746, 1535430, 1611630, 1665351, 1704690, 1850390, 2095119, 2303145, 2327910, 2405507, 2557035, 2763774, 2775585, 3330702, 3491865, 4190238, 4606290, 4811014, 4996053, 5114070, 5551170, 6909435, 6983730, 7216521, 8326755, 9992106, 10475595, 12027535, 13818870, 14433042, 16653510, 20951190, 21649563, 24055070, 24980265, 36082605, 43299126, 49960530, 64948689, 72165210, 108247815, 129897378, 216495630, 324743445, 649486890]

約数ペア:

[(1, 649486890), (2, 324743445), (3, 216495630), (5, 129897378), (6, 108247815), (9, 72165210), (10, 64948689), (13, 49960530), (15, 43299126), (18, 36082605), (26, 24980265), (27, 24055070), (30, 21649563), (31, 20951190), (39, 16653510), (45, 14433042), (47, 13818870), (54, 12027535), (62, 10475595), (65, 9992106), (78, 8326755), (90, 7216521), (93, 6983730), (94, 6909435), (117, 5551170), (127, 5114070), (130, 4996053), (135, 4811014), (141, 4606290), (155, 4190238), (186, 3491865), (195, 3330702), (234, 2775585), (235, 2763774), (254, 2557035), (270, 2405507), (279, 2327910), (282, 2303145), (310, 2095119), (351, 1850390), (381, 1704690), (390, 1665351), (403, 1611630), (423, 1535430), (465, 1396746), (470, 1381887), (558, 1163955), (585, 1110234), (611, 1062990), (635, 1022814), (702, 925195), (705, 921258), (762, 852345), (806, 805815), (837, 775970), (846, 767715), (930, 698373), (1143, 568230), (1170, 555117), (1209, 537210), (1222, 531495), (1269, 511810), (1270, 511407), (1395, 465582), (1410, 460629), (1457, 445770), (1651, 393390), (1674, 387985), (1755, 370078), (1833, 354330), (1905, 340938), (2015, 322326), (2115, 307086), (2286, 284115), (2418, 268605), (2538, 255905), (2790, 232791), (2914, 222885), (3055, 212598), (3302, 196695), (3429, 189410), (3510, 185039), (3627, 179070), (3666, 177165), (3810, 170469), (3937, 164970), (4030, 161163), (4185, 155194), (4230, 153543), (4371, 148590), (4953, 131130), (5499, 118110), (5715, 113646), (5969, 108810), (6045, 107442), (6110, 106299), (6345, 102362), (6858, 94705), (7254, 89535), (7285, 89154), (7874, 82485), (8255, 78678), (8370, 77597), (8742, 74295), (9165, 70866), (9906, 65565), (10881, 59690), (10998, 59055), (11430, 56823), (11811, 54990), (11938, 54405), (12090, 53721), (12690, 51181), (13113, 49530), (14570, 44577), (14859, 43710), (16497, 39370), (16510, 39339), (17145, 37882), (17907, 36270), (18135, 35814), (18330, 35433), (18941, 34290), (19685, 32994), (21762, 29845), (21855, 29718), (23622, 27495), (24765, 26226)]