181571320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 492480000

約数和(自身を除く): 310908680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 59, 70, 116, 118, 140, 145, 203, 232, 236, 280, 290, 295, 379, 406, 413, 472, 580, 590, 758, 812, 826, 1015, 1160, 1180, 1516, 1624, 1652, 1711, 1895, 2030, 2065, 2360, 2653, 3032, 3304, 3422, 3790, 4060, 4130, 5306, 6844, 7580, 8120, 8260, 8555, 10612, 10991, 11977, 13265, 13688, 15160, 16520, 17110, 21224, 21982, 22361, 23954, 26530, 34220, 43964, 44722, 47908, 53060, 54955, 59885, 68440, 76937, 87928, 89444, 95816, 106120, 109910, 111805, 119770, 153874, 156527, 178888, 219820, 223610, 239540, 307748, 313054, 384685, 439640, 447220, 479080, 615496, 626108, 648469, 769370, 782635, 894440, 1252216, 1296938, 1538740, 1565270, 2593876, 3077480, 3130540, 3242345, 4539283, 5187752, 6261080, 6484690, 9078566, 12969380, 18157132, 22696415, 25938760, 36314264, 45392830, 90785660, 181571320]

約数ペア:

[(1, 181571320), (2, 90785660), (4, 45392830), (5, 36314264), (7, 25938760), (8, 22696415), (10, 18157132), (14, 12969380), (20, 9078566), (28, 6484690), (29, 6261080), (35, 5187752), (40, 4539283), (56, 3242345), (58, 3130540), (59, 3077480), (70, 2593876), (116, 1565270), (118, 1538740), (140, 1296938), (145, 1252216), (203, 894440), (232, 782635), (236, 769370), (280, 648469), (290, 626108), (295, 615496), (379, 479080), (406, 447220), (413, 439640), (472, 384685), (580, 313054), (590, 307748), (758, 239540), (812, 223610), (826, 219820), (1015, 178888), (1160, 156527), (1180, 153874), (1516, 119770), (1624, 111805), (1652, 109910), (1711, 106120), (1895, 95816), (2030, 89444), (2065, 87928), (2360, 76937), (2653, 68440), (3032, 59885), (3304, 54955), (3422, 53060), (3790, 47908), (4060, 44722), (4130, 43964), (5306, 34220), (6844, 26530), (7580, 23954), (8120, 22361), (8260, 21982), (8555, 21224), (10612, 17110), (10991, 16520), (11977, 15160), (13265, 13688)]