2015196075

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6719}}^1$

素因数の和:6809

約数の個数: 72

約数和(自身を含む): 3813089280

約数和(自身を除く): 1797893205

約数列:

[1, 3, 5, 9, 15, 25, 31, 43, 45, 75, 93, 129, 155, 215, 225, 279, 387, 465, 645, 775, 1075, 1333, 1395, 1935, 2325, 3225, 3999, 6665, 6719, 6975, 9675, 11997, 19995, 20157, 33325, 33595, 59985, 60471, 99975, 100785, 167975, 208289, 288917, 299925, 302355, 503925, 624867, 866751, 1041445, 1444585, 1511775, 1874601, 2600253, 3124335, 4333755, 5207225, 7222925, 8956427, 9373005, 13001265, 15621675, 21668775, 26869281, 44782135, 46865025, 65006325, 80607843, 134346405, 223910675, 403039215, 671732025, 2015196075]

約数ペア:

[(1, 2015196075), (3, 671732025), (5, 403039215), (9, 223910675), (15, 134346405), (25, 80607843), (31, 65006325), (43, 46865025), (45, 44782135), (75, 26869281), (93, 21668775), (129, 15621675), (155, 13001265), (215, 9373005), (225, 8956427), (279, 7222925), (387, 5207225), (465, 4333755), (645, 3124335), (775, 2600253), (1075, 1874601), (1333, 1511775), (1395, 1444585), (1935, 1041445), (2325, 866751), (3225, 624867), (3999, 503925), (6665, 302355), (6719, 299925), (6975, 288917), (9675, 208289), (11997, 167975), (19995, 100785), (20157, 99975), (33325, 60471), (33595, 59985)]