642495240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{198301}}^1$

素因数の和:198324

約数の個数: 80

約数和(自身を含む): 2159508780

約数和(自身を除く): 1517013540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 198301, 396602, 594903, 793204, 991505, 1189806, 1586408, 1784709, 1983010, 2379612, 2974515, 3569418, 3966020, 4759224, 5354127, 5949030, 7138836, 7932040, 8923545, 10708254, 11898060, 14277672, 16062381, 17847090, 21416508, 23796120, 26770635, 32124762, 35694180, 42833016, 53541270, 64249524, 71388360, 80311905, 107082540, 128499048, 160623810, 214165080, 321247620, 642495240]

約数ペア:

[(1, 642495240), (2, 321247620), (3, 214165080), (4, 160623810), (5, 128499048), (6, 107082540), (8, 80311905), (9, 71388360), (10, 64249524), (12, 53541270), (15, 42833016), (18, 35694180), (20, 32124762), (24, 26770635), (27, 23796120), (30, 21416508), (36, 17847090), (40, 16062381), (45, 14277672), (54, 11898060), (60, 10708254), (72, 8923545), (81, 7932040), (90, 7138836), (108, 5949030), (120, 5354127), (135, 4759224), (162, 3966020), (180, 3569418), (216, 2974515), (270, 2379612), (324, 1983010), (360, 1784709), (405, 1586408), (540, 1189806), (648, 991505), (810, 793204), (1080, 594903), (1620, 396602), (3240, 198301)]