261732360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13381}}^1$

素因数の和:13558

約数の個数: 64

約数和(自身を含む): 790073280

約数和(自身を除く): 528340920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 9780, 13381, 19560, 26762, 40143, 53524, 66905, 80286, 107048, 133810, 160572, 200715, 267620, 321144, 401430, 535240, 802860, 1605720, 2181103, 4362206, 6543309, 8724412, 10905515, 13086618, 17448824, 21811030, 26173236, 32716545, 43622060, 52346472, 65433090, 87244120, 130866180, 261732360]

約数ペア:

[(1, 261732360), (2, 130866180), (3, 87244120), (4, 65433090), (5, 52346472), (6, 43622060), (8, 32716545), (10, 26173236), (12, 21811030), (15, 17448824), (20, 13086618), (24, 10905515), (30, 8724412), (40, 6543309), (60, 4362206), (120, 2181103), (163, 1605720), (326, 802860), (489, 535240), (652, 401430), (815, 321144), (978, 267620), (1304, 200715), (1630, 160572), (1956, 133810), (2445, 107048), (3260, 80286), (3912, 66905), (4890, 53524), (6520, 40143), (9780, 26762), (13381, 19560)]