217860240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69827}}^1$

素因数の和:69856

約数の個数: 80

約数和(自身を含む): 727328448

約数和(自身を除く): 509468208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 69827, 139654, 209481, 279308, 349135, 418962, 558616, 698270, 837924, 907751, 1047405, 1117232, 1396540, 1675848, 1815502, 2094810, 2723253, 2793080, 3351696, 3631004, 4189620, 4538755, 5446506, 5586160, 7262008, 8379240, 9077510, 10893012, 13616265, 14524016, 16758480, 18155020, 21786024, 27232530, 36310040, 43572048, 54465060, 72620080, 108930120, 217860240]

約数ペア:

[(1, 217860240), (2, 108930120), (3, 72620080), (4, 54465060), (5, 43572048), (6, 36310040), (8, 27232530), (10, 21786024), (12, 18155020), (13, 16758480), (15, 14524016), (16, 13616265), (20, 10893012), (24, 9077510), (26, 8379240), (30, 7262008), (39, 5586160), (40, 5446506), (48, 4538755), (52, 4189620), (60, 3631004), (65, 3351696), (78, 2793080), (80, 2723253), (104, 2094810), (120, 1815502), (130, 1675848), (156, 1396540), (195, 1117232), (208, 1047405), (240, 907751), (260, 837924), (312, 698270), (390, 558616), (520, 418962), (624, 349135), (780, 279308), (1040, 209481), (1560, 139654), (3120, 69827)]