1996889640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{155521}}^1$

素因数の和:155642

約数の個数: 64

約数和(自身を含む): 6046695360

約数和(自身を除く): 4049805720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 155521, 311042, 466563, 622084, 777605, 933126, 1244168, 1555210, 1866252, 2332815, 3110420, 3732504, 4665630, 6220840, 9331260, 16640747, 18662520, 33281494, 49922241, 66562988, 83203735, 99844482, 133125976, 166407470, 199688964, 249611205, 332814940, 399377928, 499222410, 665629880, 998444820, 1996889640]

約数ペア:

[(1, 1996889640), (2, 998444820), (3, 665629880), (4, 499222410), (5, 399377928), (6, 332814940), (8, 249611205), (10, 199688964), (12, 166407470), (15, 133125976), (20, 99844482), (24, 83203735), (30, 66562988), (40, 49922241), (60, 33281494), (107, 18662520), (120, 16640747), (214, 9331260), (321, 6220840), (428, 4665630), (535, 3732504), (642, 3110420), (856, 2332815), (1070, 1866252), (1284, 1555210), (1605, 1244168), (2140, 933126), (2568, 777605), (3210, 622084), (4280, 466563), (6420, 311042), (12840, 155521)]