31530564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 86912280

約数和(自身を除く): 55381716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 757, 801, 1068, 1157, 1514, 1602, 2271, 2314, 3028, 3204, 3471, 4542, 4628, 6813, 6942, 9084, 9841, 10413, 13626, 13884, 19682, 20826, 27252, 29523, 39364, 41652, 59046, 67373, 88569, 118092, 134746, 177138, 202119, 269492, 354276, 404238, 606357, 808476, 875849, 1212714, 1751698, 2425428, 2627547, 3503396, 5255094, 7882641, 10510188, 15765282, 31530564]

約数ペア:

[(1, 31530564), (2, 15765282), (3, 10510188), (4, 7882641), (6, 5255094), (9, 3503396), (12, 2627547), (13, 2425428), (18, 1751698), (26, 1212714), (36, 875849), (39, 808476), (52, 606357), (78, 404238), (89, 354276), (117, 269492), (156, 202119), (178, 177138), (234, 134746), (267, 118092), (356, 88569), (468, 67373), (534, 59046), (757, 41652), (801, 39364), (1068, 29523), (1157, 27252), (1514, 20826), (1602, 19682), (2271, 13884), (2314, 13626), (3028, 10413), (3204, 9841), (3471, 9084), (4542, 6942), (4628, 6813)]