218444280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25639}}^1$

素因数の和:25724

約数の個数: 64

約数和(自身を含む): 664588800

約数和(自身を除く): 446144520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 25639, 51278, 76917, 102556, 128195, 153834, 205112, 256390, 307668, 384585, 512780, 615336, 769170, 1025560, 1538340, 1820369, 3076680, 3640738, 5461107, 7281476, 9101845, 10922214, 14562952, 18203690, 21844428, 27305535, 36407380, 43688856, 54611070, 72814760, 109222140, 218444280]

約数ペア:

[(1, 218444280), (2, 109222140), (3, 72814760), (4, 54611070), (5, 43688856), (6, 36407380), (8, 27305535), (10, 21844428), (12, 18203690), (15, 14562952), (20, 10922214), (24, 9101845), (30, 7281476), (40, 5461107), (60, 3640738), (71, 3076680), (120, 1820369), (142, 1538340), (213, 1025560), (284, 769170), (355, 615336), (426, 512780), (568, 384585), (710, 307668), (852, 256390), (1065, 205112), (1420, 153834), (1704, 128195), (2130, 102556), (2840, 76917), (4260, 51278), (8520, 25639)]