78427360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4051}}^1$

素因数の和:4088

約数の個数: 72

約数和(自身を含む): 203710248

約数和(自身を除く): 125282888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4051, 4840, 8102, 9680, 16204, 19360, 20255, 32408, 40510, 44561, 64816, 81020, 89122, 129632, 162040, 178244, 222805, 324080, 356488, 445610, 490171, 648160, 712976, 891220, 980342, 1425952, 1782440, 1960684, 2450855, 3564880, 3921368, 4901710, 7129760, 7842736, 9803420, 15685472, 19606840, 39213680, 78427360]

約数ペア:

[(1, 78427360), (2, 39213680), (4, 19606840), (5, 15685472), (8, 9803420), (10, 7842736), (11, 7129760), (16, 4901710), (20, 3921368), (22, 3564880), (32, 2450855), (40, 1960684), (44, 1782440), (55, 1425952), (80, 980342), (88, 891220), (110, 712976), (121, 648160), (160, 490171), (176, 445610), (220, 356488), (242, 324080), (352, 222805), (440, 178244), (484, 162040), (605, 129632), (880, 89122), (968, 81020), (1210, 64816), (1760, 44561), (1936, 40510), (2420, 32408), (3872, 20255), (4051, 19360), (4840, 16204), (8102, 9680)]