154594640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 390329928

約数和(自身を除く): 235735288

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 101, 106, 152, 190, 202, 212, 265, 304, 361, 380, 404, 424, 505, 530, 722, 760, 808, 848, 1007, 1010, 1060, 1444, 1520, 1616, 1805, 1919, 2014, 2020, 2120, 2888, 3610, 3838, 4028, 4040, 4240, 5035, 5353, 5776, 7220, 7676, 8056, 8080, 9595, 10070, 10706, 14440, 15352, 16112, 19133, 19190, 20140, 21412, 26765, 28880, 30704, 36461, 38266, 38380, 40280, 42824, 53530, 72922, 76532, 76760, 80560, 85648, 95665, 101707, 107060, 145844, 153064, 153520, 182305, 191330, 203414, 214120, 291688, 306128, 364610, 382660, 406828, 428240, 508535, 583376, 729220, 765320, 813656, 1017070, 1458440, 1530640, 1627312, 1932433, 2034140, 2916880, 3864866, 4068280, 7729732, 8136560, 9662165, 15459464, 19324330, 30918928, 38648660, 77297320, 154594640]

約数ペア:

[(1, 154594640), (2, 77297320), (4, 38648660), (5, 30918928), (8, 19324330), (10, 15459464), (16, 9662165), (19, 8136560), (20, 7729732), (38, 4068280), (40, 3864866), (53, 2916880), (76, 2034140), (80, 1932433), (95, 1627312), (101, 1530640), (106, 1458440), (152, 1017070), (190, 813656), (202, 765320), (212, 729220), (265, 583376), (304, 508535), (361, 428240), (380, 406828), (404, 382660), (424, 364610), (505, 306128), (530, 291688), (722, 214120), (760, 203414), (808, 191330), (848, 182305), (1007, 153520), (1010, 153064), (1060, 145844), (1444, 107060), (1520, 101707), (1616, 95665), (1805, 85648), (1919, 80560), (2014, 76760), (2020, 76532), (2120, 72922), (2888, 53530), (3610, 42824), (3838, 40280), (4028, 38380), (4040, 38266), (4240, 36461), (5035, 30704), (5353, 28880), (5776, 26765), (7220, 21412), (7676, 20140), (8056, 19190), (8080, 19133), (9595, 16112), (10070, 15352), (10706, 14440)]