128189340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22973}}^1$

素因数の和:23019

約数の個数: 72

約数和(自身を含む): 401401728

約数和(自身を除く): 273212388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 22973, 45946, 68919, 91892, 114865, 137838, 206757, 229730, 275676, 344595, 413514, 459460, 689190, 712163, 827028, 1033785, 1378380, 1424326, 2067570, 2136489, 2848652, 3560815, 4135140, 4272978, 6409467, 7121630, 8545956, 10682445, 12818934, 14243260, 21364890, 25637868, 32047335, 42729780, 64094670, 128189340]

約数ペア:

[(1, 128189340), (2, 64094670), (3, 42729780), (4, 32047335), (5, 25637868), (6, 21364890), (9, 14243260), (10, 12818934), (12, 10682445), (15, 8545956), (18, 7121630), (20, 6409467), (30, 4272978), (31, 4135140), (36, 3560815), (45, 2848652), (60, 2136489), (62, 2067570), (90, 1424326), (93, 1378380), (124, 1033785), (155, 827028), (180, 712163), (186, 689190), (279, 459460), (310, 413514), (372, 344595), (465, 275676), (558, 229730), (620, 206757), (930, 137838), (1116, 114865), (1395, 91892), (1860, 68919), (2790, 45946), (5580, 22973)]