68108880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 160

約数和(自身を含む): 245127168

約数和(自身を除く): 177018288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 571, 710, 840, 852, 994, 1065, 1136, 1142, 1420, 1491, 1680, 1704, 1713, 1988, 2130, 2284, 2485, 2840, 2855, 2982, 3408, 3426, 3976, 3997, 4260, 4568, 4970, 5680, 5710, 5964, 6852, 7455, 7952, 7994, 8520, 8565, 9136, 9940, 11420, 11928, 11991, 13704, 14910, 15988, 17040, 17130, 19880, 19985, 22840, 23856, 23982, 27408, 29820, 31976, 34260, 39760, 39970, 40541, 45680, 47964, 59640, 59955, 63952, 68520, 79940, 81082, 95928, 119280, 119910, 121623, 137040, 159880, 162164, 191856, 202705, 239820, 243246, 283787, 319760, 324328, 405410, 479640, 486492, 567574, 608115, 648656, 810820, 851361, 959280, 972984, 1135148, 1216230, 1418935, 1621640, 1702722, 1945968, 2270296, 2432460, 2837870, 3243280, 3405444, 4256805, 4540592, 4864920, 5675740, 6810888, 8513610, 9729840, 11351480, 13621776, 17027220, 22702960, 34054440, 68108880]

約数ペア:

[(1, 68108880), (2, 34054440), (3, 22702960), (4, 17027220), (5, 13621776), (6, 11351480), (7, 9729840), (8, 8513610), (10, 6810888), (12, 5675740), (14, 4864920), (15, 4540592), (16, 4256805), (20, 3405444), (21, 3243280), (24, 2837870), (28, 2432460), (30, 2270296), (35, 1945968), (40, 1702722), (42, 1621640), (48, 1418935), (56, 1216230), (60, 1135148), (70, 972984), (71, 959280), (80, 851361), (84, 810820), (105, 648656), (112, 608115), (120, 567574), (140, 486492), (142, 479640), (168, 405410), (210, 324328), (213, 319760), (240, 283787), (280, 243246), (284, 239820), (336, 202705), (355, 191856), (420, 162164), (426, 159880), (497, 137040), (560, 121623), (568, 119910), (571, 119280), (710, 95928), (840, 81082), (852, 79940), (994, 68520), (1065, 63952), (1136, 59955), (1142, 59640), (1420, 47964), (1491, 45680), (1680, 40541), (1704, 39970), (1713, 39760), (1988, 34260), (2130, 31976), (2284, 29820), (2485, 27408), (2840, 23982), (2855, 23856), (2982, 22840), (3408, 19985), (3426, 19880), (3976, 17130), (3997, 17040), (4260, 15988), (4568, 14910), (4970, 13704), (5680, 11991), (5710, 11928), (5964, 11420), (6852, 9940), (7455, 9136), (7952, 8565), (7994, 8520)]