18940080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1558

約数の個数: 80

約数和(自身を含む): 59862240

約数和(自身を除く): 40922160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1489, 1590, 2120, 2544, 2978, 3180, 4240, 4467, 5956, 6360, 7445, 8934, 11912, 12720, 14890, 17868, 22335, 23824, 29780, 35736, 44670, 59560, 71472, 78917, 89340, 119120, 157834, 178680, 236751, 315668, 357360, 394585, 473502, 631336, 789170, 947004, 1183755, 1262672, 1578340, 1894008, 2367510, 3156680, 3788016, 4735020, 6313360, 9470040, 18940080]

約数ペア:

[(1, 18940080), (2, 9470040), (3, 6313360), (4, 4735020), (5, 3788016), (6, 3156680), (8, 2367510), (10, 1894008), (12, 1578340), (15, 1262672), (16, 1183755), (20, 947004), (24, 789170), (30, 631336), (40, 473502), (48, 394585), (53, 357360), (60, 315668), (80, 236751), (106, 178680), (120, 157834), (159, 119120), (212, 89340), (240, 78917), (265, 71472), (318, 59560), (424, 44670), (530, 35736), (636, 29780), (795, 23824), (848, 22335), (1060, 17868), (1272, 14890), (1489, 12720), (1590, 11912), (2120, 8934), (2544, 7445), (2978, 6360), (3180, 5956), (4240, 4467)]