72758960

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2621}}^1$

素因数の和:2981

約数の個数: 40

約数和(自身を含む): 169716816

約数和(自身を除く): 96957856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2621, 2776, 3470, 5242, 5552, 6940, 10484, 13105, 13880, 20968, 26210, 27760, 41936, 52420, 104840, 209680, 909487, 1818974, 3637948, 4547435, 7275896, 9094870, 14551792, 18189740, 36379480, 72758960]

約数ペア:

[(1, 72758960), (2, 36379480), (4, 18189740), (5, 14551792), (8, 9094870), (10, 7275896), (16, 4547435), (20, 3637948), (40, 1818974), (80, 909487), (347, 209680), (694, 104840), (1388, 52420), (1735, 41936), (2621, 27760), (2776, 26210), (3470, 20968), (5242, 13880), (5552, 13105), (6940, 10484)]