123959660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 288729168

約数和(自身を除く): 164769508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 181, 220, 242, 283, 362, 484, 566, 605, 724, 905, 1132, 1210, 1415, 1810, 1991, 2420, 2830, 3113, 3620, 3982, 5660, 6226, 7964, 9955, 12452, 15565, 19910, 21901, 31130, 34243, 39820, 43802, 51223, 62260, 68486, 87604, 102446, 109505, 136972, 171215, 204892, 219010, 256115, 342430, 438020, 512230, 563453, 684860, 1024460, 1126906, 2253812, 2817265, 5634530, 6197983, 11269060, 12395966, 24791932, 30989915, 61979830, 123959660]

約数ペア:

[(1, 123959660), (2, 61979830), (4, 30989915), (5, 24791932), (10, 12395966), (11, 11269060), (20, 6197983), (22, 5634530), (44, 2817265), (55, 2253812), (110, 1126906), (121, 1024460), (181, 684860), (220, 563453), (242, 512230), (283, 438020), (362, 342430), (484, 256115), (566, 219010), (605, 204892), (724, 171215), (905, 136972), (1132, 109505), (1210, 102446), (1415, 87604), (1810, 68486), (1991, 62260), (2420, 51223), (2830, 43802), (3113, 39820), (3620, 34243), (3982, 31130), (5660, 21901), (6226, 19910), (7964, 15565), (9955, 12452)]