31140540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1531}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 95357808

約数和(自身を除く): 64217268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1531, 1695, 2034, 2260, 3062, 3390, 4068, 4593, 5085, 6124, 6780, 7655, 9186, 10170, 13779, 15310, 18372, 20340, 22965, 27558, 30620, 45930, 55116, 68895, 91860, 137790, 173003, 275580, 346006, 519009, 692012, 865015, 1038018, 1557027, 1730030, 2076036, 2595045, 3114054, 3460060, 5190090, 6228108, 7785135, 10380180, 15570270, 31140540]

約数ペア:

[(1, 31140540), (2, 15570270), (3, 10380180), (4, 7785135), (5, 6228108), (6, 5190090), (9, 3460060), (10, 3114054), (12, 2595045), (15, 2076036), (18, 1730030), (20, 1557027), (30, 1038018), (36, 865015), (45, 692012), (60, 519009), (90, 346006), (113, 275580), (180, 173003), (226, 137790), (339, 91860), (452, 68895), (565, 55116), (678, 45930), (1017, 30620), (1130, 27558), (1356, 22965), (1531, 20340), (1695, 18372), (2034, 15310), (2260, 13779), (3062, 10170), (3390, 9186), (4068, 7655), (4593, 6780), (5085, 6124)]