261827760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1090949}}^1$

素因数の和:1090965

約数の個数: 40

約数和(自身を含む): 811666800

約数和(自身を除く): 549839040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1090949, 2181898, 3272847, 4363796, 5454745, 6545694, 8727592, 10909490, 13091388, 16364235, 17455184, 21818980, 26182776, 32728470, 43637960, 52365552, 65456940, 87275920, 130913880, 261827760]

約数ペア:

[(1, 261827760), (2, 130913880), (3, 87275920), (4, 65456940), (5, 52365552), (6, 43637960), (8, 32728470), (10, 26182776), (12, 21818980), (15, 17455184), (16, 16364235), (20, 13091388), (24, 10909490), (30, 8727592), (40, 6545694), (48, 5454745), (60, 4363796), (80, 3272847), (120, 2181898), (240, 1090949)]