15706620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 48353760

約数和(自身を除く): 32647140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1229, 1278, 1420, 2130, 2458, 2556, 3195, 3687, 4260, 4916, 6145, 6390, 7374, 11061, 12290, 12780, 14748, 18435, 22122, 24580, 36870, 44244, 55305, 73740, 87259, 110610, 174518, 221220, 261777, 349036, 436295, 523554, 785331, 872590, 1047108, 1308885, 1570662, 1745180, 2617770, 3141324, 3926655, 5235540, 7853310, 15706620]

約数ペア:

[(1, 15706620), (2, 7853310), (3, 5235540), (4, 3926655), (5, 3141324), (6, 2617770), (9, 1745180), (10, 1570662), (12, 1308885), (15, 1047108), (18, 872590), (20, 785331), (30, 523554), (36, 436295), (45, 349036), (60, 261777), (71, 221220), (90, 174518), (142, 110610), (180, 87259), (213, 73740), (284, 55305), (355, 44244), (426, 36870), (639, 24580), (710, 22122), (852, 18435), (1065, 14748), (1229, 12780), (1278, 12290), (1420, 11061), (2130, 7374), (2458, 6390), (2556, 6145), (3195, 4916), (3687, 4260)]