68865720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 256

約数和(自身を含む): 267494400

約数和(自身を除く): 198628680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 29, 30, 33, 35, 40, 42, 44, 55, 56, 58, 60, 66, 70, 77, 84, 87, 88, 105, 110, 116, 120, 132, 140, 145, 154, 165, 168, 174, 203, 210, 220, 231, 232, 257, 264, 280, 290, 308, 319, 330, 348, 385, 406, 420, 435, 440, 462, 514, 580, 609, 616, 638, 660, 696, 770, 771, 812, 840, 870, 924, 957, 1015, 1028, 1155, 1160, 1218, 1276, 1285, 1320, 1540, 1542, 1595, 1624, 1740, 1799, 1848, 1914, 2030, 2056, 2233, 2310, 2436, 2552, 2570, 2827, 3045, 3080, 3084, 3190, 3480, 3598, 3828, 3855, 4060, 4466, 4620, 4785, 4872, 5140, 5397, 5654, 6090, 6168, 6380, 6699, 7196, 7453, 7656, 7710, 8120, 8481, 8932, 8995, 9240, 9570, 10280, 10794, 11165, 11308, 12180, 12760, 13398, 14135, 14392, 14906, 15420, 16962, 17864, 17990, 19140, 19789, 21588, 22330, 22359, 22616, 24360, 26796, 26985, 28270, 29812, 30840, 33495, 33924, 35980, 37265, 38280, 39578, 42405, 43176, 44660, 44718, 52171, 53592, 53970, 56540, 59367, 59624, 66990, 67848, 71960, 74530, 79156, 81983, 84810, 89320, 89436, 98945, 104342, 107940, 111795, 113080, 118734, 133980, 149060, 156513, 158312, 163966, 169620, 178872, 197890, 208684, 215880, 223590, 237468, 245949, 260855, 267960, 296835, 298120, 313026, 327932, 339240, 395780, 409915, 417368, 447180, 474936, 491898, 521710, 573881, 593670, 626052, 655864, 782565, 791560, 819830, 894360, 983796, 1043420, 1147762, 1187340, 1229745, 1252104, 1565130, 1639660, 1721643, 1967592, 2086840, 2295524, 2374680, 2459490, 2869405, 3130260, 3279320, 3443286, 4591048, 4918980, 5738810, 6260520, 6886572, 8608215, 9837960, 11477620, 13773144, 17216430, 22955240, 34432860, 68865720]

約数ペア:

[(1, 68865720), (2, 34432860), (3, 22955240), (4, 17216430), (5, 13773144), (6, 11477620), (7, 9837960), (8, 8608215), (10, 6886572), (11, 6260520), (12, 5738810), (14, 4918980), (15, 4591048), (20, 3443286), (21, 3279320), (22, 3130260), (24, 2869405), (28, 2459490), (29, 2374680), (30, 2295524), (33, 2086840), (35, 1967592), (40, 1721643), (42, 1639660), (44, 1565130), (55, 1252104), (56, 1229745), (58, 1187340), (60, 1147762), (66, 1043420), (70, 983796), (77, 894360), (84, 819830), (87, 791560), (88, 782565), (105, 655864), (110, 626052), (116, 593670), (120, 573881), (132, 521710), (140, 491898), (145, 474936), (154, 447180), (165, 417368), (168, 409915), (174, 395780), (203, 339240), (210, 327932), (220, 313026), (231, 298120), (232, 296835), (257, 267960), (264, 260855), (280, 245949), (290, 237468), (308, 223590), (319, 215880), (330, 208684), (348, 197890), (385, 178872), (406, 169620), (420, 163966), (435, 158312), (440, 156513), (462, 149060), (514, 133980), (580, 118734), (609, 113080), (616, 111795), (638, 107940), (660, 104342), (696, 98945), (770, 89436), (771, 89320), (812, 84810), (840, 81983), (870, 79156), (924, 74530), (957, 71960), (1015, 67848), (1028, 66990), (1155, 59624), (1160, 59367), (1218, 56540), (1276, 53970), (1285, 53592), (1320, 52171), (1540, 44718), (1542, 44660), (1595, 43176), (1624, 42405), (1740, 39578), (1799, 38280), (1848, 37265), (1914, 35980), (2030, 33924), (2056, 33495), (2233, 30840), (2310, 29812), (2436, 28270), (2552, 26985), (2570, 26796), (2827, 24360), (3045, 22616), (3080, 22359), (3084, 22330), (3190, 21588), (3480, 19789), (3598, 19140), (3828, 17990), (3855, 17864), (4060, 16962), (4466, 15420), (4620, 14906), (4785, 14392), (4872, 14135), (5140, 13398), (5397, 12760), (5654, 12180), (6090, 11308), (6168, 11165), (6380, 10794), (6699, 10280), (7196, 9570), (7453, 9240), (7656, 8995), (7710, 8932), (8120, 8481)]