205744920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90239}}^1$

素因数の和:90272

約数の個数: 64

約数和(自身を含む): 649728000

約数和(自身を除く): 443983080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 90239, 180478, 270717, 360956, 451195, 541434, 721912, 902390, 1082868, 1353585, 1714541, 1804780, 2165736, 2707170, 3429082, 3609560, 5143623, 5414340, 6858164, 8572705, 10287246, 10828680, 13716328, 17145410, 20574492, 25718115, 34290820, 41148984, 51436230, 68581640, 102872460, 205744920]

約数ペア:

[(1, 205744920), (2, 102872460), (3, 68581640), (4, 51436230), (5, 41148984), (6, 34290820), (8, 25718115), (10, 20574492), (12, 17145410), (15, 13716328), (19, 10828680), (20, 10287246), (24, 8572705), (30, 6858164), (38, 5414340), (40, 5143623), (57, 3609560), (60, 3429082), (76, 2707170), (95, 2165736), (114, 1804780), (120, 1714541), (152, 1353585), (190, 1082868), (228, 902390), (285, 721912), (380, 541434), (456, 451195), (570, 360956), (760, 270717), (1140, 180478), (2280, 90239)]