123105420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{75991}}^1$

素因数の和:76012

約数の個数: 60

約数和(自身を含む): 386191344

約数和(自身を除く): 263085924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 75991, 151982, 227973, 303964, 379955, 455946, 683919, 759910, 911892, 1139865, 1367838, 1519820, 2051757, 2279730, 2735676, 3419595, 4103514, 4559460, 6155271, 6839190, 8207028, 10258785, 12310542, 13678380, 20517570, 24621084, 30776355, 41035140, 61552710, 123105420]

約数ペア:

[(1, 123105420), (2, 61552710), (3, 41035140), (4, 30776355), (5, 24621084), (6, 20517570), (9, 13678380), (10, 12310542), (12, 10258785), (15, 8207028), (18, 6839190), (20, 6155271), (27, 4559460), (30, 4103514), (36, 3419595), (45, 2735676), (54, 2279730), (60, 2051757), (81, 1519820), (90, 1367838), (108, 1139865), (135, 911892), (162, 759910), (180, 683919), (270, 455946), (324, 379955), (405, 303964), (540, 227973), (810, 151982), (1620, 75991)]