1851571980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43403}}^1$

素因数の和:43500

約数の個数: 96

約数和(自身を含む): 5833497600

約数和(自身を除く): 3981925620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 474, 540, 711, 790, 948, 1185, 1422, 1580, 2133, 2370, 2844, 3555, 4266, 4740, 7110, 8532, 10665, 14220, 21330, 42660, 43403, 86806, 130209, 173612, 217015, 260418, 390627, 434030, 520836, 651045, 781254, 868060, 1171881, 1302090, 1562508, 1953135, 2343762, 2604180, 3428837, 3906270, 4687524, 5859405, 6857674, 7812540, 10286511, 11718810, 13715348, 17144185, 20573022, 23437620, 30859533, 34288370, 41146044, 51432555, 61719066, 68576740, 92578599, 102865110, 123438132, 154297665, 185157198, 205730220, 308595330, 370314396, 462892995, 617190660, 925785990, 1851571980]

約数ペア:

[(1, 1851571980), (2, 925785990), (3, 617190660), (4, 462892995), (5, 370314396), (6, 308595330), (9, 205730220), (10, 185157198), (12, 154297665), (15, 123438132), (18, 102865110), (20, 92578599), (27, 68576740), (30, 61719066), (36, 51432555), (45, 41146044), (54, 34288370), (60, 30859533), (79, 23437620), (90, 20573022), (108, 17144185), (135, 13715348), (158, 11718810), (180, 10286511), (237, 7812540), (270, 6857674), (316, 5859405), (395, 4687524), (474, 3906270), (540, 3428837), (711, 2604180), (790, 2343762), (948, 1953135), (1185, 1562508), (1422, 1302090), (1580, 1171881), (2133, 868060), (2370, 781254), (2844, 651045), (3555, 520836), (4266, 434030), (4740, 390627), (7110, 260418), (8532, 217015), (10665, 173612), (14220, 130209), (21330, 86806), (42660, 43403)]