51424020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 157477320

約数和(自身を除く): 106053300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 2621, 3270, 3924, 4905, 5242, 6540, 7863, 9810, 10484, 13105, 15726, 19620, 23589, 26210, 31452, 39315, 47178, 52420, 78630, 94356, 117945, 157260, 235890, 285689, 471780, 571378, 857067, 1142756, 1428445, 1714134, 2571201, 2856890, 3428268, 4285335, 5142402, 5713780, 8570670, 10284804, 12856005, 17141340, 25712010, 51424020]

約数ペア:

[(1, 51424020), (2, 25712010), (3, 17141340), (4, 12856005), (5, 10284804), (6, 8570670), (9, 5713780), (10, 5142402), (12, 4285335), (15, 3428268), (18, 2856890), (20, 2571201), (30, 1714134), (36, 1428445), (45, 1142756), (60, 857067), (90, 571378), (109, 471780), (180, 285689), (218, 235890), (327, 157260), (436, 117945), (545, 94356), (654, 78630), (981, 52420), (1090, 47178), (1308, 39315), (1635, 31452), (1962, 26210), (2180, 23589), (2621, 19620), (3270, 15726), (3924, 13105), (4905, 10484), (5242, 9810), (6540, 7863)]