8380980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 25729704

約数和(自身を除く): 17348724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 461, 505, 606, 909, 922, 1010, 1212, 1383, 1515, 1818, 1844, 2020, 2305, 2766, 3030, 3636, 4149, 4545, 4610, 5532, 6060, 6915, 8298, 9090, 9220, 13830, 16596, 18180, 20745, 27660, 41490, 46561, 82980, 93122, 139683, 186244, 232805, 279366, 419049, 465610, 558732, 698415, 838098, 931220, 1396830, 1676196, 2095245, 2793660, 4190490, 8380980]

約数ペア:

[(1, 8380980), (2, 4190490), (3, 2793660), (4, 2095245), (5, 1676196), (6, 1396830), (9, 931220), (10, 838098), (12, 698415), (15, 558732), (18, 465610), (20, 419049), (30, 279366), (36, 232805), (45, 186244), (60, 139683), (90, 93122), (101, 82980), (180, 46561), (202, 41490), (303, 27660), (404, 20745), (461, 18180), (505, 16596), (606, 13830), (909, 9220), (922, 9090), (1010, 8298), (1212, 6915), (1383, 6060), (1515, 5532), (1818, 4610), (1844, 4545), (2020, 4149), (2305, 3636), (2766, 3030)]