793980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 2633904

約数和(自身を除く): 1839924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 401, 495, 660, 802, 990, 1203, 1604, 1980, 2005, 2406, 3609, 4010, 4411, 4812, 6015, 7218, 8020, 8822, 12030, 13233, 14436, 17644, 18045, 22055, 24060, 26466, 36090, 39699, 44110, 52932, 66165, 72180, 79398, 88220, 132330, 158796, 198495, 264660, 396990, 793980]

約数ペア:

[(1, 793980), (2, 396990), (3, 264660), (4, 198495), (5, 158796), (6, 132330), (9, 88220), (10, 79398), (11, 72180), (12, 66165), (15, 52932), (18, 44110), (20, 39699), (22, 36090), (30, 26466), (33, 24060), (36, 22055), (44, 18045), (45, 17644), (55, 14436), (60, 13233), (66, 12030), (90, 8822), (99, 8020), (110, 7218), (132, 6015), (165, 4812), (180, 4411), (198, 4010), (220, 3609), (330, 2406), (396, 2005), (401, 1980), (495, 1604), (660, 1203), (802, 990)]