164906180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 374976000

約数和(自身を除く): 210069820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 61, 79, 116, 118, 122, 145, 158, 236, 244, 290, 295, 305, 316, 395, 580, 590, 610, 790, 1180, 1220, 1580, 1711, 1769, 2291, 3422, 3538, 3599, 4582, 4661, 4819, 6844, 7076, 7198, 8555, 8845, 9164, 9322, 9638, 11455, 14396, 17110, 17690, 17995, 18644, 19276, 22910, 23305, 24095, 34220, 35380, 35990, 45820, 46610, 48190, 71980, 93220, 96380, 104371, 135169, 139751, 208742, 270338, 279502, 284321, 417484, 521855, 540676, 559004, 568642, 675845, 698755, 1043710, 1137284, 1351690, 1397510, 1421605, 2087420, 2703380, 2795020, 2843210, 5686420, 8245309, 16490618, 32981236, 41226545, 82453090, 164906180]

約数ペア:

[(1, 164906180), (2, 82453090), (4, 41226545), (5, 32981236), (10, 16490618), (20, 8245309), (29, 5686420), (58, 2843210), (59, 2795020), (61, 2703380), (79, 2087420), (116, 1421605), (118, 1397510), (122, 1351690), (145, 1137284), (158, 1043710), (236, 698755), (244, 675845), (290, 568642), (295, 559004), (305, 540676), (316, 521855), (395, 417484), (580, 284321), (590, 279502), (610, 270338), (790, 208742), (1180, 139751), (1220, 135169), (1580, 104371), (1711, 96380), (1769, 93220), (2291, 71980), (3422, 48190), (3538, 46610), (3599, 45820), (4582, 35990), (4661, 35380), (4819, 34220), (6844, 24095), (7076, 23305), (7198, 22910), (8555, 19276), (8845, 18644), (9164, 17995), (9322, 17690), (9638, 17110), (11455, 14396)]