1290559040

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{911}}^1$

素因数の和:1180

約数の個数: 112

約数和(自身を含む): 3252337920

約数和(自身を除く): 1961778880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 233, 304, 320, 380, 466, 608, 760, 911, 932, 1165, 1216, 1520, 1822, 1864, 2330, 3040, 3644, 3728, 4427, 4555, 4660, 6080, 7288, 7456, 8854, 9110, 9320, 14576, 14912, 17309, 17708, 18220, 18640, 22135, 29152, 34618, 35416, 36440, 37280, 44270, 58304, 69236, 70832, 72880, 74560, 86545, 88540, 138472, 141664, 145760, 173090, 177080, 212263, 276944, 283328, 291520, 346180, 354160, 424526, 553888, 692360, 708320, 849052, 1061315, 1107776, 1384720, 1416640, 1698104, 2122630, 2769440, 3396208, 4032997, 4245260, 5538880, 6792416, 8065994, 8490520, 13584832, 16131988, 16981040, 20164985, 32263976, 33962080, 40329970, 64527952, 67924160, 80659940, 129055904, 161319880, 258111808, 322639760, 645279520, 1290559040]

約数ペア:

[(1, 1290559040), (2, 645279520), (4, 322639760), (5, 258111808), (8, 161319880), (10, 129055904), (16, 80659940), (19, 67924160), (20, 64527952), (32, 40329970), (38, 33962080), (40, 32263976), (64, 20164985), (76, 16981040), (80, 16131988), (95, 13584832), (152, 8490520), (160, 8065994), (190, 6792416), (233, 5538880), (304, 4245260), (320, 4032997), (380, 3396208), (466, 2769440), (608, 2122630), (760, 1698104), (911, 1416640), (932, 1384720), (1165, 1107776), (1216, 1061315), (1520, 849052), (1822, 708320), (1864, 692360), (2330, 553888), (3040, 424526), (3644, 354160), (3728, 346180), (4427, 291520), (4555, 283328), (4660, 276944), (6080, 212263), (7288, 177080), (7456, 173090), (8854, 145760), (9110, 141664), (9320, 138472), (14576, 88540), (14912, 86545), (17309, 74560), (17708, 72880), (18220, 70832), (18640, 69236), (22135, 58304), (29152, 44270), (34618, 37280), (35416, 36440)]