681570960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:646

約数の個数: 320

約数和(自身を含む): 2605547520

約数和(自身を除く): 1923976560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 31, 35, 40, 42, 46, 48, 56, 60, 62, 69, 70, 80, 84, 92, 93, 105, 112, 115, 120, 124, 138, 140, 155, 161, 168, 184, 186, 210, 217, 230, 240, 248, 276, 280, 310, 322, 336, 345, 368, 372, 420, 434, 460, 465, 483, 496, 552, 560, 569, 620, 644, 651, 690, 713, 744, 805, 840, 868, 920, 930, 966, 1085, 1104, 1138, 1240, 1288, 1302, 1380, 1426, 1488, 1610, 1680, 1707, 1736, 1840, 1860, 1932, 2139, 2170, 2276, 2415, 2480, 2576, 2604, 2760, 2845, 2852, 3220, 3255, 3414, 3472, 3565, 3720, 3864, 3983, 4278, 4340, 4552, 4830, 4991, 5208, 5520, 5690, 5704, 6440, 6510, 6828, 7130, 7440, 7728, 7966, 8535, 8556, 8680, 9104, 9660, 9982, 10416, 10695, 11380, 11408, 11949, 12880, 13020, 13087, 13656, 14260, 14973, 15932, 17070, 17112, 17360, 17639, 19320, 19915, 19964, 21390, 22760, 23898, 24955, 26040, 26174, 27312, 28520, 29946, 31864, 34140, 34224, 35278, 38640, 39261, 39830, 39928, 42780, 45520, 47796, 49910, 52080, 52348, 52917, 57040, 59745, 59892, 63728, 65435, 68280, 70556, 74865, 78522, 79660, 79856, 85560, 88195, 91609, 95592, 99820, 104696, 105834, 119490, 119784, 123473, 130870, 136560, 141112, 149730, 157044, 159320, 171120, 176390, 183218, 191184, 196305, 199640, 209392, 211668, 238980, 239568, 246946, 261740, 264585, 274827, 282224, 299460, 314088, 318640, 352780, 366436, 370419, 392610, 399280, 405697, 423336, 458045, 477960, 493892, 523480, 529170, 549654, 598920, 617365, 628176, 705560, 732872, 740838, 785220, 811394, 846672, 916090, 955920, 987784, 1046960, 1058340, 1099308, 1197840, 1217091, 1234730, 1374135, 1411120, 1465744, 1481676, 1570440, 1622788, 1832180, 1852095, 1975568, 2028485, 2116680, 2198616, 2434182, 2469460, 2748270, 2839879, 2963352, 3140880, 3245576, 3664360, 3704190, 4056970, 4233360, 4397232, 4868364, 4938920, 5496540, 5679758, 5926704, 6085455, 6491152, 7328720, 7408380, 8113940, 8519637, 9736728, 9877840, 10993080, 11359516, 12170910, 14199395, 14816760, 16227880, 17039274, 19473456, 21986160, 22719032, 24341820, 28398790, 29633520, 32455760, 34078548, 42598185, 45438064, 48683640, 56797580, 68157096, 85196370, 97367280, 113595160, 136314192, 170392740, 227190320, 340785480, 681570960]

約数ペア:

[(1, 681570960), (2, 340785480), (3, 227190320), (4, 170392740), (5, 136314192), (6, 113595160), (7, 97367280), (8, 85196370), (10, 68157096), (12, 56797580), (14, 48683640), (15, 45438064), (16, 42598185), (20, 34078548), (21, 32455760), (23, 29633520), (24, 28398790), (28, 24341820), (30, 22719032), (31, 21986160), (35, 19473456), (40, 17039274), (42, 16227880), (46, 14816760), (48, 14199395), (56, 12170910), (60, 11359516), (62, 10993080), (69, 9877840), (70, 9736728), (80, 8519637), (84, 8113940), (92, 7408380), (93, 7328720), (105, 6491152), (112, 6085455), (115, 5926704), (120, 5679758), (124, 5496540), (138, 4938920), (140, 4868364), (155, 4397232), (161, 4233360), (168, 4056970), (184, 3704190), (186, 3664360), (210, 3245576), (217, 3140880), (230, 2963352), (240, 2839879), (248, 2748270), (276, 2469460), (280, 2434182), (310, 2198616), (322, 2116680), (336, 2028485), (345, 1975568), (368, 1852095), (372, 1832180), (420, 1622788), (434, 1570440), (460, 1481676), (465, 1465744), (483, 1411120), (496, 1374135), (552, 1234730), (560, 1217091), (569, 1197840), (620, 1099308), (644, 1058340), (651, 1046960), (690, 987784), (713, 955920), (744, 916090), (805, 846672), (840, 811394), (868, 785220), (920, 740838), (930, 732872), (966, 705560), (1085, 628176), (1104, 617365), (1138, 598920), (1240, 549654), (1288, 529170), (1302, 523480), (1380, 493892), (1426, 477960), (1488, 458045), (1610, 423336), (1680, 405697), (1707, 399280), (1736, 392610), (1840, 370419), (1860, 366436), (1932, 352780), (2139, 318640), (2170, 314088), (2276, 299460), (2415, 282224), (2480, 274827), (2576, 264585), (2604, 261740), (2760, 246946), (2845, 239568), (2852, 238980), (3220, 211668), (3255, 209392), (3414, 199640), (3472, 196305), (3565, 191184), (3720, 183218), (3864, 176390), (3983, 171120), (4278, 159320), (4340, 157044), (4552, 149730), (4830, 141112), (4991, 136560), (5208, 130870), (5520, 123473), (5690, 119784), (5704, 119490), (6440, 105834), (6510, 104696), (6828, 99820), (7130, 95592), (7440, 91609), (7728, 88195), (7966, 85560), (8535, 79856), (8556, 79660), (8680, 78522), (9104, 74865), (9660, 70556), (9982, 68280), (10416, 65435), (10695, 63728), (11380, 59892), (11408, 59745), (11949, 57040), (12880, 52917), (13020, 52348), (13087, 52080), (13656, 49910), (14260, 47796), (14973, 45520), (15932, 42780), (17070, 39928), (17112, 39830), (17360, 39261), (17639, 38640), (19320, 35278), (19915, 34224), (19964, 34140), (21390, 31864), (22760, 29946), (23898, 28520), (24955, 27312), (26040, 26174)]