28158540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15139}}^1$

素因数の和:15182

約数の個数: 48

約数和(自身を含む): 81392640

約数和(自身を除く): 53234100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 15139, 30278, 45417, 60556, 75695, 90834, 151390, 181668, 227085, 302780, 454170, 469309, 908340, 938618, 1407927, 1877236, 2346545, 2815854, 4693090, 5631708, 7039635, 9386180, 14079270, 28158540]

約数ペア:

[(1, 28158540), (2, 14079270), (3, 9386180), (4, 7039635), (5, 5631708), (6, 4693090), (10, 2815854), (12, 2346545), (15, 1877236), (20, 1407927), (30, 938618), (31, 908340), (60, 469309), (62, 454170), (93, 302780), (124, 227085), (155, 181668), (186, 151390), (310, 90834), (372, 75695), (465, 60556), (620, 45417), (930, 30278), (1860, 15139)]