31510620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 100989504

約数和(自身を除く): 69478884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 367, 405, 477, 530, 540, 636, 734, 795, 810, 954, 1060, 1101, 1431, 1468, 1590, 1620, 1835, 1908, 2202, 2385, 2862, 3180, 3303, 3670, 4293, 4404, 4770, 5505, 5724, 6606, 7155, 7340, 8586, 9540, 9909, 11010, 13212, 14310, 16515, 17172, 19451, 19818, 21465, 22020, 28620, 29727, 33030, 38902, 39636, 42930, 49545, 58353, 59454, 66060, 77804, 85860, 97255, 99090, 116706, 118908, 148635, 175059, 194510, 198180, 233412, 291765, 297270, 350118, 389020, 525177, 583530, 594540, 700236, 875295, 1050354, 1167060, 1575531, 1750590, 2100708, 2625885, 3151062, 3501180, 5251770, 6302124, 7877655, 10503540, 15755310, 31510620]

約数ペア:

[(1, 31510620), (2, 15755310), (3, 10503540), (4, 7877655), (5, 6302124), (6, 5251770), (9, 3501180), (10, 3151062), (12, 2625885), (15, 2100708), (18, 1750590), (20, 1575531), (27, 1167060), (30, 1050354), (36, 875295), (45, 700236), (53, 594540), (54, 583530), (60, 525177), (81, 389020), (90, 350118), (106, 297270), (108, 291765), (135, 233412), (159, 198180), (162, 194510), (180, 175059), (212, 148635), (265, 118908), (270, 116706), (318, 99090), (324, 97255), (367, 85860), (405, 77804), (477, 66060), (530, 59454), (540, 58353), (636, 49545), (734, 42930), (795, 39636), (810, 38902), (954, 33030), (1060, 29727), (1101, 28620), (1431, 22020), (1468, 21465), (1590, 19818), (1620, 19451), (1835, 17172), (1908, 16515), (2202, 14310), (2385, 13212), (2862, 11010), (3180, 9909), (3303, 9540), (3670, 8586), (4293, 7340), (4404, 7155), (4770, 6606), (5505, 5724)]