31521120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:792

約数の個数: 96

約数和(自身を含む): 100463328

約数和(自身を除く): 68942208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 97, 120, 160, 194, 240, 291, 388, 480, 485, 582, 677, 776, 970, 1164, 1354, 1455, 1552, 1940, 2031, 2328, 2708, 2910, 3104, 3385, 3880, 4062, 4656, 5416, 5820, 6770, 7760, 8124, 9312, 10155, 10832, 11640, 13540, 15520, 16248, 20310, 21664, 23280, 27080, 32496, 40620, 46560, 54160, 64992, 65669, 81240, 108320, 131338, 162480, 197007, 262676, 324960, 328345, 394014, 525352, 656690, 788028, 985035, 1050704, 1313380, 1576056, 1970070, 2101408, 2626760, 3152112, 3940140, 5253520, 6304224, 7880280, 10507040, 15760560, 31521120]

約数ペア:

[(1, 31521120), (2, 15760560), (3, 10507040), (4, 7880280), (5, 6304224), (6, 5253520), (8, 3940140), (10, 3152112), (12, 2626760), (15, 2101408), (16, 1970070), (20, 1576056), (24, 1313380), (30, 1050704), (32, 985035), (40, 788028), (48, 656690), (60, 525352), (80, 394014), (96, 328345), (97, 324960), (120, 262676), (160, 197007), (194, 162480), (240, 131338), (291, 108320), (388, 81240), (480, 65669), (485, 64992), (582, 54160), (677, 46560), (776, 40620), (970, 32496), (1164, 27080), (1354, 23280), (1455, 21664), (1552, 20310), (1940, 16248), (2031, 15520), (2328, 13540), (2708, 11640), (2910, 10832), (3104, 10155), (3385, 9312), (3880, 8124), (4062, 7760), (4656, 6770), (5416, 5820)]