71877420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2027}}^1$

素因数の和:2239

約数の個数: 72

約数和(自身を含む): 219243024

約数和(自身を除く): 147365604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2027, 2364, 2955, 3546, 3940, 4054, 5910, 6081, 7092, 8108, 8865, 10135, 11820, 12162, 17730, 18243, 20270, 24324, 30405, 35460, 36486, 40540, 60810, 72972, 91215, 121620, 182430, 364860, 399319, 798638, 1197957, 1597276, 1996595, 2395914, 3593871, 3993190, 4791828, 5989785, 7187742, 7986380, 11979570, 14375484, 17969355, 23959140, 35938710, 71877420]

約数ペア:

[(1, 71877420), (2, 35938710), (3, 23959140), (4, 17969355), (5, 14375484), (6, 11979570), (9, 7986380), (10, 7187742), (12, 5989785), (15, 4791828), (18, 3993190), (20, 3593871), (30, 2395914), (36, 1996595), (45, 1597276), (60, 1197957), (90, 798638), (180, 399319), (197, 364860), (394, 182430), (591, 121620), (788, 91215), (985, 72972), (1182, 60810), (1773, 40540), (1970, 36486), (2027, 35460), (2364, 30405), (2955, 24324), (3546, 20270), (3940, 18243), (4054, 17730), (5910, 12162), (6081, 11820), (7092, 10135), (8108, 8865)]