68805120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 240

約数和(自身を含む): 241198848

約数和(自身を除く): 172393728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 256, 272, 289, 310, 320, 340, 372, 384, 408, 465, 480, 496, 510, 512, 527, 544, 578, 620, 640, 680, 744, 768, 816, 867, 930, 960, 992, 1020, 1054, 1088, 1156, 1240, 1280, 1360, 1445, 1488, 1536, 1581, 1632, 1734, 1860, 1920, 1984, 2040, 2108, 2176, 2312, 2480, 2560, 2635, 2720, 2890, 2976, 3162, 3264, 3468, 3720, 3840, 3968, 4080, 4216, 4335, 4352, 4624, 4960, 5270, 5440, 5780, 5952, 6324, 6528, 6936, 7440, 7680, 7905, 7936, 8160, 8432, 8670, 8704, 8959, 9248, 9920, 10540, 10880, 11560, 11904, 12648, 13056, 13872, 14880, 15810, 15872, 16320, 16864, 17340, 17918, 18496, 19840, 21080, 21760, 23120, 23808, 25296, 26112, 26877, 27744, 29760, 31620, 32640, 33728, 34680, 35836, 36992, 39680, 42160, 43520, 44795, 46240, 47616, 50592, 53754, 55488, 59520, 63240, 65280, 67456, 69360, 71672, 73984, 79360, 84320, 89590, 92480, 101184, 107508, 110976, 119040, 126480, 130560, 134385, 134912, 138720, 143344, 147968, 168640, 179180, 184960, 202368, 215016, 221952, 238080, 252960, 268770, 269824, 277440, 286688, 337280, 358360, 369920, 404736, 430032, 443904, 505920, 537540, 554880, 573376, 674560, 716720, 739840, 809472, 860064, 1011840, 1075080, 1109760, 1146752, 1349120, 1433440, 1720128, 2023680, 2150160, 2219520, 2293504, 2866880, 3440256, 4047360, 4300320, 4587008, 5733760, 6880512, 8600640, 11467520, 13761024, 17201280, 22935040, 34402560, 68805120]

約数ペア:

[(1, 68805120), (2, 34402560), (3, 22935040), (4, 17201280), (5, 13761024), (6, 11467520), (8, 8600640), (10, 6880512), (12, 5733760), (15, 4587008), (16, 4300320), (17, 4047360), (20, 3440256), (24, 2866880), (30, 2293504), (31, 2219520), (32, 2150160), (34, 2023680), (40, 1720128), (48, 1433440), (51, 1349120), (60, 1146752), (62, 1109760), (64, 1075080), (68, 1011840), (80, 860064), (85, 809472), (93, 739840), (96, 716720), (102, 674560), (120, 573376), (124, 554880), (128, 537540), (136, 505920), (155, 443904), (160, 430032), (170, 404736), (186, 369920), (192, 358360), (204, 337280), (240, 286688), (248, 277440), (255, 269824), (256, 268770), (272, 252960), (289, 238080), (310, 221952), (320, 215016), (340, 202368), (372, 184960), (384, 179180), (408, 168640), (465, 147968), (480, 143344), (496, 138720), (510, 134912), (512, 134385), (527, 130560), (544, 126480), (578, 119040), (620, 110976), (640, 107508), (680, 101184), (744, 92480), (768, 89590), (816, 84320), (867, 79360), (930, 73984), (960, 71672), (992, 69360), (1020, 67456), (1054, 65280), (1088, 63240), (1156, 59520), (1240, 55488), (1280, 53754), (1360, 50592), (1445, 47616), (1488, 46240), (1536, 44795), (1581, 43520), (1632, 42160), (1734, 39680), (1860, 36992), (1920, 35836), (1984, 34680), (2040, 33728), (2108, 32640), (2176, 31620), (2312, 29760), (2480, 27744), (2560, 26877), (2635, 26112), (2720, 25296), (2890, 23808), (2976, 23120), (3162, 21760), (3264, 21080), (3468, 19840), (3720, 18496), (3840, 17918), (3968, 17340), (4080, 16864), (4216, 16320), (4335, 15872), (4352, 15810), (4624, 14880), (4960, 13872), (5270, 13056), (5440, 12648), (5780, 11904), (5952, 11560), (6324, 10880), (6528, 10540), (6936, 9920), (7440, 9248), (7680, 8959), (7905, 8704), (7936, 8670), (8160, 8432)]