161681940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{42773}}^1$

素因数の和:42798

約数の個数: 96

約数和(自身を含む): 574882560

約数和(自身を除く): 413200620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 42773, 85546, 128319, 171092, 213865, 256638, 299411, 384957, 427730, 513276, 598822, 641595, 769914, 855460, 898233, 1154871, 1197644, 1283190, 1497055, 1539828, 1796466, 1924785, 2309742, 2566380, 2694699, 2994110, 3592932, 3849570, 4491165, 4619484, 5389398, 5774355, 5988220, 7699140, 8084097, 8982330, 10778796, 11548710, 13473495, 16168194, 17964660, 23097420, 26946990, 32336388, 40420485, 53893980, 80840970, 161681940]

約数ペア:

[(1, 161681940), (2, 80840970), (3, 53893980), (4, 40420485), (5, 32336388), (6, 26946990), (7, 23097420), (9, 17964660), (10, 16168194), (12, 13473495), (14, 11548710), (15, 10778796), (18, 8982330), (20, 8084097), (21, 7699140), (27, 5988220), (28, 5774355), (30, 5389398), (35, 4619484), (36, 4491165), (42, 3849570), (45, 3592932), (54, 2994110), (60, 2694699), (63, 2566380), (70, 2309742), (84, 1924785), (90, 1796466), (105, 1539828), (108, 1497055), (126, 1283190), (135, 1197644), (140, 1154871), (180, 898233), (189, 855460), (210, 769914), (252, 641595), (270, 598822), (315, 513276), (378, 427730), (420, 384957), (540, 299411), (630, 256638), (756, 213865), (945, 171092), (1260, 128319), (1890, 85546), (3780, 42773)]