1620840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 5241600

約数和(自身を除く): 3620760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1039, 1560, 2078, 3117, 4156, 5195, 6234, 8312, 10390, 12468, 13507, 15585, 20780, 24936, 27014, 31170, 40521, 41560, 54028, 62340, 67535, 81042, 108056, 124680, 135070, 162084, 202605, 270140, 324168, 405210, 540280, 810420, 1620840]

約数ペア:

[(1, 1620840), (2, 810420), (3, 540280), (4, 405210), (5, 324168), (6, 270140), (8, 202605), (10, 162084), (12, 135070), (13, 124680), (15, 108056), (20, 81042), (24, 67535), (26, 62340), (30, 54028), (39, 41560), (40, 40521), (52, 31170), (60, 27014), (65, 24936), (78, 20780), (104, 15585), (120, 13507), (130, 12468), (156, 10390), (195, 8312), (260, 6234), (312, 5195), (390, 4156), (520, 3117), (780, 2078), (1039, 1560)]