2017240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 4924800

約数和(自身を除く): 2907560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 47, 58, 74, 94, 116, 145, 148, 185, 188, 232, 235, 290, 296, 370, 376, 470, 580, 740, 940, 1073, 1160, 1363, 1480, 1739, 1880, 2146, 2726, 3478, 4292, 5365, 5452, 6815, 6956, 8584, 8695, 10730, 10904, 13630, 13912, 17390, 21460, 27260, 34780, 42920, 50431, 54520, 69560, 100862, 201724, 252155, 403448, 504310, 1008620, 2017240]

約数ペア:

[(1, 2017240), (2, 1008620), (4, 504310), (5, 403448), (8, 252155), (10, 201724), (20, 100862), (29, 69560), (37, 54520), (40, 50431), (47, 42920), (58, 34780), (74, 27260), (94, 21460), (116, 17390), (145, 13912), (148, 13630), (185, 10904), (188, 10730), (232, 8695), (235, 8584), (290, 6956), (296, 6815), (370, 5452), (376, 5365), (470, 4292), (580, 3478), (740, 2726), (940, 2146), (1073, 1880), (1160, 1739), (1363, 1480)]