64991040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67699}}^1$

素因数の和:67719

約数の個数: 56

約数和(自身を含む): 206349600

約数和(自身を除く): 141358560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 67699, 135398, 203097, 270796, 338495, 406194, 541592, 676990, 812388, 1015485, 1083184, 1353980, 1624776, 2030970, 2166368, 2707960, 3249552, 4061940, 4332736, 5415920, 6499104, 8123880, 10831840, 12998208, 16247760, 21663680, 32495520, 64991040]

約数ペア:

[(1, 64991040), (2, 32495520), (3, 21663680), (4, 16247760), (5, 12998208), (6, 10831840), (8, 8123880), (10, 6499104), (12, 5415920), (15, 4332736), (16, 4061940), (20, 3249552), (24, 2707960), (30, 2166368), (32, 2030970), (40, 1624776), (48, 1353980), (60, 1083184), (64, 1015485), (80, 812388), (96, 676990), (120, 541592), (160, 406194), (192, 338495), (240, 270796), (320, 203097), (480, 135398), (960, 67699)]