31941540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19717}}^1$

素因数の和:19738

約数の個数: 60

約数和(自身を含む): 100206876

約数和(自身を除く): 68265336

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19717, 39434, 59151, 78868, 98585, 118302, 177453, 197170, 236604, 295755, 354906, 394340, 532359, 591510, 709812, 887265, 1064718, 1183020, 1597077, 1774530, 2129436, 2661795, 3194154, 3549060, 5323590, 6388308, 7985385, 10647180, 15970770, 31941540]

約数ペア:

[(1, 31941540), (2, 15970770), (3, 10647180), (4, 7985385), (5, 6388308), (6, 5323590), (9, 3549060), (10, 3194154), (12, 2661795), (15, 2129436), (18, 1774530), (20, 1597077), (27, 1183020), (30, 1064718), (36, 887265), (45, 709812), (54, 591510), (60, 532359), (81, 394340), (90, 354906), (108, 295755), (135, 236604), (162, 197170), (180, 177453), (270, 118302), (324, 98585), (405, 78868), (540, 59151), (810, 39434), (1620, 19717)]