31570720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 78178716

約数和(自身を除く): 46607996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 373, 460, 529, 736, 746, 920, 1058, 1492, 1840, 1865, 2116, 2645, 2984, 3680, 3730, 4232, 5290, 5968, 7460, 8464, 8579, 10580, 11936, 14920, 16928, 17158, 21160, 29840, 34316, 42320, 42895, 59680, 68632, 84640, 85790, 137264, 171580, 197317, 274528, 343160, 394634, 686320, 789268, 986585, 1372640, 1578536, 1973170, 3157072, 3946340, 6314144, 7892680, 15785360, 31570720]

約数ペア:

[(1, 31570720), (2, 15785360), (4, 7892680), (5, 6314144), (8, 3946340), (10, 3157072), (16, 1973170), (20, 1578536), (23, 1372640), (32, 986585), (40, 789268), (46, 686320), (80, 394634), (92, 343160), (115, 274528), (160, 197317), (184, 171580), (230, 137264), (368, 85790), (373, 84640), (460, 68632), (529, 59680), (736, 42895), (746, 42320), (920, 34316), (1058, 29840), (1492, 21160), (1840, 17158), (1865, 16928), (2116, 14920), (2645, 11936), (2984, 10580), (3680, 8579), (3730, 8464), (4232, 7460), (5290, 5968)]