180577980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8291}}^1$

素因数の和:8328

約数の個数: 108

約数和(自身を含む): 602148456

約数和(自身を除く): 421570476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 8291, 10890, 16582, 21780, 24873, 33164, 41455, 49746, 74619, 82910, 91201, 99492, 124365, 149238, 165820, 182402, 248730, 273603, 298476, 364804, 373095, 456005, 497460, 547206, 746190, 820809, 912010, 1003211, 1094412, 1368015, 1492380, 1641618, 1824020, 2006422, 2736030, 3009633, 3283236, 4012844, 4104045, 5016055, 5472060, 6019266, 8208090, 9028899, 10032110, 12038532, 15048165, 16416180, 18057798, 20064220, 30096330, 36115596, 45144495, 60192660, 90288990, 180577980]

約数ペア:

[(1, 180577980), (2, 90288990), (3, 60192660), (4, 45144495), (5, 36115596), (6, 30096330), (9, 20064220), (10, 18057798), (11, 16416180), (12, 15048165), (15, 12038532), (18, 10032110), (20, 9028899), (22, 8208090), (30, 6019266), (33, 5472060), (36, 5016055), (44, 4104045), (45, 4012844), (55, 3283236), (60, 3009633), (66, 2736030), (90, 2006422), (99, 1824020), (110, 1641618), (121, 1492380), (132, 1368015), (165, 1094412), (180, 1003211), (198, 912010), (220, 820809), (242, 746190), (330, 547206), (363, 497460), (396, 456005), (484, 373095), (495, 364804), (605, 298476), (660, 273603), (726, 248730), (990, 182402), (1089, 165820), (1210, 149238), (1452, 124365), (1815, 99492), (1980, 91201), (2178, 82910), (2420, 74619), (3630, 49746), (4356, 41455), (5445, 33164), (7260, 24873), (8291, 21780), (10890, 16582)]