180988020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{111721}}^1$

素因数の和:111742

約数の個数: 60

約数和(自身を含む): 567771204

約数和(自身を除く): 386783184

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, 111721, 223442, 335163, 446884, 558605, 670326, 1005489, 1117210, 1340652, 1675815, 2010978, 2234420, 3016467, 3351630, 4021956, 5027445, 6032934, 6703260, 9049401, 10054890, 12065868, 15082335, 18098802, 20109780, 30164670, 36197604, 45247005, 60329340, 90494010, 180988020]

約数ペア:

[(1, 180988020), (2, 90494010), (3, 60329340), (4, 45247005), (5, 36197604), (6, 30164670), (9, 20109780), (10, 18098802), (12, 15082335), (15, 12065868), (18, 10054890), (20, 9049401), (27, 6703260), (30, 6032934), (36, 5027445), (45, 4021956), (54, 3351630), (60, 3016467), (81, 2234420), (90, 2010978), (108, 1675815), (135, 1340652), (162, 1117210), (180, 1005489), (270, 670326), (324, 558605), (405, 446884), (540, 335163), (810, 223442), (1620, 111721)]