161070980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3187}}^1$

素因数の和:3241

約数の個数: 72

約数和(自身を含む): 408115008

約数和(自身を除く): 247044028

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2527, 2660, 3187, 3610, 5054, 6374, 7220, 10108, 12635, 12748, 15935, 22309, 25270, 31870, 44618, 50540, 60553, 63740, 89236, 111545, 121106, 223090, 242212, 302765, 423871, 446180, 605530, 847742, 1150507, 1211060, 1695484, 2119355, 2301014, 4238710, 4602028, 5752535, 8053549, 8477420, 11505070, 16107098, 23010140, 32214196, 40267745, 80535490, 161070980]

約数ペア:

[(1, 161070980), (2, 80535490), (4, 40267745), (5, 32214196), (7, 23010140), (10, 16107098), (14, 11505070), (19, 8477420), (20, 8053549), (28, 5752535), (35, 4602028), (38, 4238710), (70, 2301014), (76, 2119355), (95, 1695484), (133, 1211060), (140, 1150507), (190, 847742), (266, 605530), (361, 446180), (380, 423871), (532, 302765), (665, 242212), (722, 223090), (1330, 121106), (1444, 111545), (1805, 89236), (2527, 63740), (2660, 60553), (3187, 50540), (3610, 44618), (5054, 31870), (6374, 25270), (7220, 22309), (10108, 15935), (12635, 12748)]