15980376

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 42209280

約数和(自身を除く): 26228904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 47, 62, 93, 94, 124, 141, 186, 188, 248, 282, 372, 376, 457, 564, 744, 914, 1128, 1371, 1457, 1828, 2742, 2914, 3656, 4371, 5484, 5828, 8742, 10968, 11656, 14167, 17484, 21479, 28334, 34968, 42501, 42958, 56668, 64437, 85002, 85916, 113336, 128874, 170004, 171832, 257748, 340008, 515496, 665849, 1331698, 1997547, 2663396, 3995094, 5326792, 7990188, 15980376]

約数ペア:

[(1, 15980376), (2, 7990188), (3, 5326792), (4, 3995094), (6, 2663396), (8, 1997547), (12, 1331698), (24, 665849), (31, 515496), (47, 340008), (62, 257748), (93, 171832), (94, 170004), (124, 128874), (141, 113336), (186, 85916), (188, 85002), (248, 64437), (282, 56668), (372, 42958), (376, 42501), (457, 34968), (564, 28334), (744, 21479), (914, 17484), (1128, 14167), (1371, 11656), (1457, 10968), (1828, 8742), (2742, 5828), (2914, 5484), (3656, 4371)]