31145220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7523}}^1$

素因数の和:7561

約数の個数: 72

約数和(自身を含む): 98594496

約数和(自身を除く): 67449276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7523, 15046, 22569, 30092, 37615, 45138, 67707, 75230, 90276, 112845, 135414, 150460, 173029, 225690, 270828, 338535, 346058, 451380, 519087, 677070, 692116, 865145, 1038174, 1354140, 1557261, 1730290, 2076348, 2595435, 3114522, 3460580, 5190870, 6229044, 7786305, 10381740, 15572610, 31145220]

約数ペア:

[(1, 31145220), (2, 15572610), (3, 10381740), (4, 7786305), (5, 6229044), (6, 5190870), (9, 3460580), (10, 3114522), (12, 2595435), (15, 2076348), (18, 1730290), (20, 1557261), (23, 1354140), (30, 1038174), (36, 865145), (45, 692116), (46, 677070), (60, 519087), (69, 451380), (90, 346058), (92, 338535), (115, 270828), (138, 225690), (180, 173029), (207, 150460), (230, 135414), (276, 112845), (345, 90276), (414, 75230), (460, 67707), (690, 45138), (828, 37615), (1035, 30092), (1380, 22569), (2070, 15046), (4140, 7523)]