80251380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40531}}^1$

素因数の和:40557

約数の個数: 72

約数和(自身を含む): 265565664

約数和(自身を除く): 185314284

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, 495, 660, 990, 1980, 40531, 81062, 121593, 162124, 202655, 243186, 364779, 405310, 445841, 486372, 607965, 729558, 810620, 891682, 1215930, 1337523, 1459116, 1783364, 1823895, 2229205, 2431860, 2675046, 3647790, 4012569, 4458410, 5350092, 6687615, 7295580, 8025138, 8916820, 13375230, 16050276, 20062845, 26750460, 40125690, 80251380]

約数ペア:

[(1, 80251380), (2, 40125690), (3, 26750460), (4, 20062845), (5, 16050276), (6, 13375230), (9, 8916820), (10, 8025138), (11, 7295580), (12, 6687615), (15, 5350092), (18, 4458410), (20, 4012569), (22, 3647790), (30, 2675046), (33, 2431860), (36, 2229205), (44, 1823895), (45, 1783364), (55, 1459116), (60, 1337523), (66, 1215930), (90, 891682), (99, 810620), (110, 729558), (132, 607965), (165, 486372), (180, 445841), (198, 405310), (220, 364779), (330, 243186), (396, 202655), (495, 162124), (660, 121593), (990, 81062), (1980, 40531)]