198945540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9781}}^1$

素因数の和:9909

約数の個数: 72

約数和(自身を含む): 608870808

約数和(自身を除く): 409925268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1695, 2034, 2260, 3390, 4068, 5085, 6780, 9781, 10170, 19562, 20340, 29343, 39124, 48905, 58686, 88029, 97810, 117372, 146715, 176058, 195620, 293430, 352116, 440145, 586860, 880290, 1105253, 1760580, 2210506, 3315759, 4421012, 5526265, 6631518, 9947277, 11052530, 13263036, 16578795, 19894554, 22105060, 33157590, 39789108, 49736385, 66315180, 99472770, 198945540]

約数ペア:

[(1, 198945540), (2, 99472770), (3, 66315180), (4, 49736385), (5, 39789108), (6, 33157590), (9, 22105060), (10, 19894554), (12, 16578795), (15, 13263036), (18, 11052530), (20, 9947277), (30, 6631518), (36, 5526265), (45, 4421012), (60, 3315759), (90, 2210506), (113, 1760580), (180, 1105253), (226, 880290), (339, 586860), (452, 440145), (565, 352116), (678, 293430), (1017, 195620), (1130, 176058), (1356, 146715), (1695, 117372), (2034, 97810), (2260, 88029), (3390, 58686), (4068, 48905), (5085, 39124), (6780, 29343), (9781, 20340), (10170, 19562)]