67721680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5009}}^1$

素因数の和:5048

約数の個数: 60

約数和(自身を含む): 170530380

約数和(自身を除く): 102808700

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 5009, 6760, 10018, 13520, 20036, 25045, 40072, 50090, 65117, 80144, 100180, 130234, 200360, 260468, 325585, 400720, 520936, 651170, 846521, 1041872, 1302340, 1693042, 2604680, 3386084, 4232605, 5209360, 6772168, 8465210, 13544336, 16930420, 33860840, 67721680]

約数ペア:

[(1, 67721680), (2, 33860840), (4, 16930420), (5, 13544336), (8, 8465210), (10, 6772168), (13, 5209360), (16, 4232605), (20, 3386084), (26, 2604680), (40, 1693042), (52, 1302340), (65, 1041872), (80, 846521), (104, 651170), (130, 520936), (169, 400720), (208, 325585), (260, 260468), (338, 200360), (520, 130234), (676, 100180), (845, 80144), (1040, 65117), (1352, 50090), (1690, 40072), (2704, 25045), (3380, 20036), (5009, 13520), (6760, 10018)]