73799960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 179776800

約数和(自身を除く): 105976840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 409, 520, 694, 818, 1388, 1636, 1735, 2045, 2776, 3272, 3470, 4090, 4511, 5317, 6940, 8180, 9022, 10634, 13880, 16360, 18044, 21268, 22555, 26585, 36088, 42536, 45110, 53170, 90220, 106340, 141923, 180440, 212680, 283846, 567692, 709615, 1135384, 1419230, 1844999, 2838460, 3689998, 5676920, 7379996, 9224995, 14759992, 18449990, 36899980, 73799960]

約数ペア:

[(1, 73799960), (2, 36899980), (4, 18449990), (5, 14759992), (8, 9224995), (10, 7379996), (13, 5676920), (20, 3689998), (26, 2838460), (40, 1844999), (52, 1419230), (65, 1135384), (104, 709615), (130, 567692), (260, 283846), (347, 212680), (409, 180440), (520, 141923), (694, 106340), (818, 90220), (1388, 53170), (1636, 45110), (1735, 42536), (2045, 36088), (2776, 26585), (3272, 22555), (3470, 21268), (4090, 18044), (4511, 16360), (5317, 13880), (6940, 10634), (8180, 9022)]