81073260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1439}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 246879360

約数和(自身を除く): 165806100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1439, 1565, 1878, 2817, 2878, 3130, 3756, 4317, 4695, 5634, 5756, 6260, 7195, 8634, 9390, 11268, 12951, 14085, 14390, 17268, 18780, 21585, 25902, 28170, 28780, 43170, 51804, 56340, 64755, 86340, 129510, 259020, 450407, 900814, 1351221, 1801628, 2252035, 2702442, 4053663, 4504070, 5404884, 6756105, 8107326, 9008140, 13512210, 16214652, 20268315, 27024420, 40536630, 81073260]

約数ペア:

[(1, 81073260), (2, 40536630), (3, 27024420), (4, 20268315), (5, 16214652), (6, 13512210), (9, 9008140), (10, 8107326), (12, 6756105), (15, 5404884), (18, 4504070), (20, 4053663), (30, 2702442), (36, 2252035), (45, 1801628), (60, 1351221), (90, 900814), (180, 450407), (313, 259020), (626, 129510), (939, 86340), (1252, 64755), (1439, 56340), (1565, 51804), (1878, 43170), (2817, 28780), (2878, 28170), (3130, 25902), (3756, 21585), (4317, 18780), (4695, 17268), (5634, 14390), (5756, 14085), (6260, 12951), (7195, 11268), (8634, 9390)]