400078560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 384

約数和(自身を含む): 1560674304

約数和(自身を除く): 1160595744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 31, 32, 35, 40, 42, 46, 48, 56, 60, 62, 69, 70, 80, 84, 92, 93, 96, 105, 112, 115, 120, 124, 138, 140, 155, 160, 161, 167, 168, 184, 186, 210, 217, 224, 230, 240, 248, 276, 280, 310, 322, 334, 336, 345, 368, 372, 420, 434, 460, 465, 480, 483, 496, 501, 552, 560, 620, 644, 651, 668, 672, 690, 713, 736, 744, 805, 835, 840, 868, 920, 930, 966, 992, 1002, 1085, 1104, 1120, 1169, 1240, 1288, 1302, 1336, 1380, 1426, 1488, 1610, 1670, 1680, 1736, 1840, 1860, 1932, 2004, 2139, 2170, 2208, 2338, 2415, 2480, 2505, 2576, 2604, 2672, 2760, 2852, 2976, 3220, 3255, 3340, 3360, 3472, 3507, 3565, 3680, 3720, 3841, 3864, 4008, 4278, 4340, 4676, 4830, 4960, 4991, 5010, 5152, 5177, 5208, 5344, 5520, 5704, 5845, 6440, 6510, 6680, 6944, 7014, 7130, 7440, 7682, 7728, 8016, 8556, 8680, 9352, 9660, 9982, 10020, 10354, 10416, 10695, 11040, 11408, 11523, 11690, 12880, 13020, 13360, 14028, 14260, 14880, 14973, 15364, 15456, 15531, 16032, 17112, 17360, 17535, 18704, 19205, 19320, 19964, 20040, 20708, 20832, 21390, 22816, 23046, 23380, 24955, 25760, 25885, 26040, 26720, 26887, 28056, 28520, 29946, 30728, 31062, 34224, 34720, 35070, 36239, 37408, 38410, 38640, 39928, 40080, 41416, 42780, 46092, 46760, 49910, 51770, 52080, 53774, 56112, 57040, 57615, 59892, 61456, 62124, 68448, 70140, 72478, 74865, 76820, 77280, 77655, 79856, 80160, 80661, 82832, 85560, 92184, 93520, 99820, 103540, 104160, 107548, 108717, 112224, 114080, 115230, 119071, 119784, 122912, 124248, 134435, 140280, 144956, 149730, 153640, 155310, 159712, 161322, 165664, 171120, 181195, 184368, 187040, 199640, 207080, 215096, 217434, 230460, 238142, 239568, 248496, 268870, 280560, 289912, 299460, 307280, 310620, 322644, 342240, 357213, 362390, 368736, 399280, 403305, 414160, 430192, 434868, 460920, 476284, 479136, 496992, 537740, 543585, 561120, 579824, 595355, 598920, 614560, 621240, 645288, 714426, 724780, 798560, 806610, 828320, 833497, 860384, 869736, 921840, 952568, 1075480, 1087170, 1159648, 1190710, 1197840, 1242480, 1290576, 1428852, 1449560, 1613220, 1666994, 1739472, 1786065, 1843680, 1905136, 2150960, 2174340, 2381420, 2395680, 2484960, 2500491, 2581152, 2857704, 2899120, 3226440, 3333988, 3478944, 3572130, 3810272, 4167485, 4301920, 4348680, 4762840, 5000982, 5715408, 5798240, 6452880, 6667976, 7144260, 8334970, 8697360, 9525680, 10001964, 11430816, 12502455, 12905760, 13335952, 14288520, 16669940, 17394720, 19051360, 20003928, 25004910, 26671904, 28577040, 33339880, 40007856, 50009820, 57154080, 66679760, 80015712, 100019640, 133359520, 200039280, 400078560]

約数ペア:

[(1, 400078560), (2, 200039280), (3, 133359520), (4, 100019640), (5, 80015712), (6, 66679760), (7, 57154080), (8, 50009820), (10, 40007856), (12, 33339880), (14, 28577040), (15, 26671904), (16, 25004910), (20, 20003928), (21, 19051360), (23, 17394720), (24, 16669940), (28, 14288520), (30, 13335952), (31, 12905760), (32, 12502455), (35, 11430816), (40, 10001964), (42, 9525680), (46, 8697360), (48, 8334970), (56, 7144260), (60, 6667976), (62, 6452880), (69, 5798240), (70, 5715408), (80, 5000982), (84, 4762840), (92, 4348680), (93, 4301920), (96, 4167485), (105, 3810272), (112, 3572130), (115, 3478944), (120, 3333988), (124, 3226440), (138, 2899120), (140, 2857704), (155, 2581152), (160, 2500491), (161, 2484960), (167, 2395680), (168, 2381420), (184, 2174340), (186, 2150960), (210, 1905136), (217, 1843680), (224, 1786065), (230, 1739472), (240, 1666994), (248, 1613220), (276, 1449560), (280, 1428852), (310, 1290576), (322, 1242480), (334, 1197840), (336, 1190710), (345, 1159648), (368, 1087170), (372, 1075480), (420, 952568), (434, 921840), (460, 869736), (465, 860384), (480, 833497), (483, 828320), (496, 806610), (501, 798560), (552, 724780), (560, 714426), (620, 645288), (644, 621240), (651, 614560), (668, 598920), (672, 595355), (690, 579824), (713, 561120), (736, 543585), (744, 537740), (805, 496992), (835, 479136), (840, 476284), (868, 460920), (920, 434868), (930, 430192), (966, 414160), (992, 403305), (1002, 399280), (1085, 368736), (1104, 362390), (1120, 357213), (1169, 342240), (1240, 322644), (1288, 310620), (1302, 307280), (1336, 299460), (1380, 289912), (1426, 280560), (1488, 268870), (1610, 248496), (1670, 239568), (1680, 238142), (1736, 230460), (1840, 217434), (1860, 215096), (1932, 207080), (2004, 199640), (2139, 187040), (2170, 184368), (2208, 181195), (2338, 171120), (2415, 165664), (2480, 161322), (2505, 159712), (2576, 155310), (2604, 153640), (2672, 149730), (2760, 144956), (2852, 140280), (2976, 134435), (3220, 124248), (3255, 122912), (3340, 119784), (3360, 119071), (3472, 115230), (3507, 114080), (3565, 112224), (3680, 108717), (3720, 107548), (3841, 104160), (3864, 103540), (4008, 99820), (4278, 93520), (4340, 92184), (4676, 85560), (4830, 82832), (4960, 80661), (4991, 80160), (5010, 79856), (5152, 77655), (5177, 77280), (5208, 76820), (5344, 74865), (5520, 72478), (5704, 70140), (5845, 68448), (6440, 62124), (6510, 61456), (6680, 59892), (6944, 57615), (7014, 57040), (7130, 56112), (7440, 53774), (7682, 52080), (7728, 51770), (8016, 49910), (8556, 46760), (8680, 46092), (9352, 42780), (9660, 41416), (9982, 40080), (10020, 39928), (10354, 38640), (10416, 38410), (10695, 37408), (11040, 36239), (11408, 35070), (11523, 34720), (11690, 34224), (12880, 31062), (13020, 30728), (13360, 29946), (14028, 28520), (14260, 28056), (14880, 26887), (14973, 26720), (15364, 26040), (15456, 25885), (15531, 25760), (16032, 24955), (17112, 23380), (17360, 23046), (17535, 22816), (18704, 21390), (19205, 20832), (19320, 20708), (19964, 20040)]