72305360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21019}}^1$

素因数の和:21075

約数の個数: 40

約数和(自身を含む): 172027680

約数和(自身を除く): 99722320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21019, 42038, 84076, 105095, 168152, 210190, 336304, 420380, 840760, 903817, 1681520, 1807634, 3615268, 4519085, 7230536, 9038170, 14461072, 18076340, 36152680, 72305360]

約数ペア:

[(1, 72305360), (2, 36152680), (4, 18076340), (5, 14461072), (8, 9038170), (10, 7230536), (16, 4519085), (20, 3615268), (40, 1807634), (43, 1681520), (80, 903817), (86, 840760), (172, 420380), (215, 336304), (344, 210190), (430, 168152), (688, 105095), (860, 84076), (1720, 42038), (3440, 21019)]