81195270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3413}}^1$

素因数の和:3497

約数の個数: 64

約数和(自身を含む): 213361344

約数和(自身を除く): 132166074

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1586, 1830, 2379, 3413, 3965, 4758, 6826, 7930, 10239, 11895, 17065, 20478, 23790, 34130, 44369, 51195, 88738, 102390, 133107, 208193, 221845, 266214, 416386, 443690, 624579, 665535, 1040965, 1249158, 1331070, 2081930, 2706509, 3122895, 5413018, 6245790, 8119527, 13532545, 16239054, 27065090, 40597635, 81195270]

約数ペア:

[(1, 81195270), (2, 40597635), (3, 27065090), (5, 16239054), (6, 13532545), (10, 8119527), (13, 6245790), (15, 5413018), (26, 3122895), (30, 2706509), (39, 2081930), (61, 1331070), (65, 1249158), (78, 1040965), (122, 665535), (130, 624579), (183, 443690), (195, 416386), (305, 266214), (366, 221845), (390, 208193), (610, 133107), (793, 102390), (915, 88738), (1586, 51195), (1830, 44369), (2379, 34130), (3413, 23790), (3965, 20478), (4758, 17065), (6826, 11895), (7930, 10239)]