90630680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{751}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 233902080

約数和(自身を除く): 143271400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 751, 862, 1502, 1724, 2155, 3004, 3017, 3448, 3755, 4310, 5257, 6008, 6034, 7510, 8620, 10514, 12068, 15020, 15085, 17240, 21028, 24136, 26285, 30040, 30170, 42056, 52570, 60340, 105140, 120680, 210280, 323681, 647362, 1294724, 1618405, 2265767, 2589448, 3236810, 4531534, 6473620, 9063068, 11328835, 12947240, 18126136, 22657670, 45315340, 90630680]

約数ペア:

[(1, 90630680), (2, 45315340), (4, 22657670), (5, 18126136), (7, 12947240), (8, 11328835), (10, 9063068), (14, 6473620), (20, 4531534), (28, 3236810), (35, 2589448), (40, 2265767), (56, 1618405), (70, 1294724), (140, 647362), (280, 323681), (431, 210280), (751, 120680), (862, 105140), (1502, 60340), (1724, 52570), (2155, 42056), (3004, 30170), (3017, 30040), (3448, 26285), (3755, 24136), (4310, 21028), (5257, 17240), (6008, 15085), (6034, 15020), (7510, 12068), (8620, 10514)]