31509080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 76593600

約数和(自身を除く): 45084520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1160, 1181, 1334, 2362, 2668, 3335, 4724, 5336, 5905, 6670, 9448, 11810, 13340, 23620, 26680, 27163, 34249, 47240, 54326, 68498, 108652, 135815, 136996, 171245, 217304, 271630, 273992, 342490, 543260, 684980, 787727, 1086520, 1369960, 1575454, 3150908, 3938635, 6301816, 7877270, 15754540, 31509080]

約数ペア:

[(1, 31509080), (2, 15754540), (4, 7877270), (5, 6301816), (8, 3938635), (10, 3150908), (20, 1575454), (23, 1369960), (29, 1086520), (40, 787727), (46, 684980), (58, 543260), (92, 342490), (115, 273992), (116, 271630), (145, 217304), (184, 171245), (230, 136996), (232, 135815), (290, 108652), (460, 68498), (580, 54326), (667, 47240), (920, 34249), (1160, 27163), (1181, 26680), (1334, 23620), (2362, 13340), (2668, 11810), (3335, 9448), (4724, 6670), (5336, 5905)]