205905720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55351}}^1$

素因数の和:55396

約数の個数: 64

約数和(自身を含む): 637655040

約数和(自身を除く): 431749320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 55351, 110702, 166053, 221404, 276755, 332106, 442808, 553510, 664212, 830265, 1107020, 1328424, 1660530, 1715881, 2214040, 3321060, 3431762, 5147643, 6642120, 6863524, 8579405, 10295286, 13727048, 17158810, 20590572, 25738215, 34317620, 41181144, 51476430, 68635240, 102952860, 205905720]

約数ペア:

[(1, 205905720), (2, 102952860), (3, 68635240), (4, 51476430), (5, 41181144), (6, 34317620), (8, 25738215), (10, 20590572), (12, 17158810), (15, 13727048), (20, 10295286), (24, 8579405), (30, 6863524), (31, 6642120), (40, 5147643), (60, 3431762), (62, 3321060), (93, 2214040), (120, 1715881), (124, 1660530), (155, 1328424), (186, 1107020), (248, 830265), (310, 664212), (372, 553510), (465, 442808), (620, 332106), (744, 276755), (930, 221404), (1240, 166053), (1860, 110702), (3720, 55351)]