378720320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9781}}^1$

素因数の和:9820

約数の個数: 84

約数和(自身を含む): 991366572

約数和(自身を除く): 612646252

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3520, 3872, 4840, 7744, 9680, 9781, 19360, 19562, 38720, 39124, 48905, 78248, 97810, 107591, 156496, 195620, 215182, 312992, 391240, 430364, 537955, 625984, 782480, 860728, 1075910, 1183501, 1564960, 1721456, 2151820, 2367002, 3129920, 3442912, 4303640, 4734004, 5917505, 6885824, 8607280, 9468008, 11835010, 17214560, 18936016, 23670020, 34429120, 37872032, 47340040, 75744064, 94680080, 189360160, 378720320]

約数ペア:

[(1, 378720320), (2, 189360160), (4, 94680080), (5, 75744064), (8, 47340040), (10, 37872032), (11, 34429120), (16, 23670020), (20, 18936016), (22, 17214560), (32, 11835010), (40, 9468008), (44, 8607280), (55, 6885824), (64, 5917505), (80, 4734004), (88, 4303640), (110, 3442912), (121, 3129920), (160, 2367002), (176, 2151820), (220, 1721456), (242, 1564960), (320, 1183501), (352, 1075910), (440, 860728), (484, 782480), (605, 625984), (704, 537955), (880, 430364), (968, 391240), (1210, 312992), (1760, 215182), (1936, 195620), (2420, 156496), (3520, 107591), (3872, 97810), (4840, 78248), (7744, 48905), (9680, 39124), (9781, 38720), (19360, 19562)]