64734840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179819}}^1$

素因数の和:179836

約数の個数: 48

約数和(自身を含む): 210389400

約数和(自身を除く): 145654560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 179819, 359638, 539457, 719276, 899095, 1078914, 1438552, 1618371, 1798190, 2157828, 2697285, 3236742, 3596380, 4315656, 5394570, 6473484, 7192760, 8091855, 10789140, 12946968, 16183710, 21578280, 32367420, 64734840]

約数ペア:

[(1, 64734840), (2, 32367420), (3, 21578280), (4, 16183710), (5, 12946968), (6, 10789140), (8, 8091855), (9, 7192760), (10, 6473484), (12, 5394570), (15, 4315656), (18, 3596380), (20, 3236742), (24, 2697285), (30, 2157828), (36, 1798190), (40, 1618371), (45, 1438552), (60, 1078914), (72, 899095), (90, 719276), (120, 539457), (180, 359638), (360, 179819)]