255378480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2235

約数の個数: 160

約数和(自身を含む): 917941248

約数和(自身を除く): 662562768

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, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1988, 2130, 2141, 2485, 2840, 2982, 3408, 3976, 4260, 4282, 4970, 5680, 5964, 6423, 7455, 7952, 8520, 8564, 9940, 10705, 11928, 12846, 14910, 14987, 17040, 17128, 19880, 21410, 23856, 25692, 29820, 29974, 32115, 34256, 39760, 42820, 44961, 51384, 59640, 59948, 64230, 74935, 85640, 89922, 102768, 119280, 119896, 128460, 149870, 152011, 171280, 179844, 224805, 239792, 256920, 299740, 304022, 359688, 449610, 456033, 513840, 599480, 608044, 719376, 760055, 899220, 912066, 1064077, 1198960, 1216088, 1520110, 1798440, 1824132, 2128154, 2280165, 2432176, 3040220, 3192231, 3596880, 3648264, 4256308, 4560330, 5320385, 6080440, 6384462, 7296528, 8512616, 9120660, 10640770, 12160880, 12768924, 15961155, 17025232, 18241320, 21281540, 25537848, 31922310, 36482640, 42563080, 51075696, 63844620, 85126160, 127689240, 255378480]

約数ペア:

[(1, 255378480), (2, 127689240), (3, 85126160), (4, 63844620), (5, 51075696), (6, 42563080), (7, 36482640), (8, 31922310), (10, 25537848), (12, 21281540), (14, 18241320), (15, 17025232), (16, 15961155), (20, 12768924), (21, 12160880), (24, 10640770), (28, 9120660), (30, 8512616), (35, 7296528), (40, 6384462), (42, 6080440), (48, 5320385), (56, 4560330), (60, 4256308), (70, 3648264), (71, 3596880), (80, 3192231), (84, 3040220), (105, 2432176), (112, 2280165), (120, 2128154), (140, 1824132), (142, 1798440), (168, 1520110), (210, 1216088), (213, 1198960), (240, 1064077), (280, 912066), (284, 899220), (336, 760055), (355, 719376), (420, 608044), (426, 599480), (497, 513840), (560, 456033), (568, 449610), (710, 359688), (840, 304022), (852, 299740), (994, 256920), (1065, 239792), (1136, 224805), (1420, 179844), (1491, 171280), (1680, 152011), (1704, 149870), (1988, 128460), (2130, 119896), (2141, 119280), (2485, 102768), (2840, 89922), (2982, 85640), (3408, 74935), (3976, 64230), (4260, 59948), (4282, 59640), (4970, 51384), (5680, 44961), (5964, 42820), (6423, 39760), (7455, 34256), (7952, 32115), (8520, 29974), (8564, 29820), (9940, 25692), (10705, 23856), (11928, 21410), (12846, 19880), (14910, 17128), (14987, 17040)]