81785610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12799}}^1$

素因数の和:12883

約数の個数: 48

約数和(自身を含む): 215654400

約数和(自身を除く): 133868790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 12799, 25598, 38397, 63995, 76794, 115191, 127990, 191985, 230382, 383970, 575955, 908729, 1151910, 1817458, 2726187, 4543645, 5452374, 8178561, 9087290, 13630935, 16357122, 27261870, 40892805, 81785610]

約数ペア:

[(1, 81785610), (2, 40892805), (3, 27261870), (5, 16357122), (6, 13630935), (9, 9087290), (10, 8178561), (15, 5452374), (18, 4543645), (30, 2726187), (45, 1817458), (71, 1151910), (90, 908729), (142, 575955), (213, 383970), (355, 230382), (426, 191985), (639, 127990), (710, 115191), (1065, 76794), (1278, 63995), (2130, 38397), (3195, 25598), (6390, 12799)]