79721320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2819}}^1$

素因数の和:2938

約数の個数: 64

約数和(自身を含む): 207100800

約数和(自身を除く): 127379480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2819, 2828, 3535, 4040, 5638, 5656, 7070, 11276, 14095, 14140, 19733, 22552, 28190, 28280, 39466, 56380, 78932, 98665, 112760, 157864, 197330, 284719, 394660, 569438, 789320, 1138876, 1423595, 1993033, 2277752, 2847190, 3986066, 5694380, 7972132, 9965165, 11388760, 15944264, 19930330, 39860660, 79721320]

約数ペア:

[(1, 79721320), (2, 39860660), (4, 19930330), (5, 15944264), (7, 11388760), (8, 9965165), (10, 7972132), (14, 5694380), (20, 3986066), (28, 2847190), (35, 2277752), (40, 1993033), (56, 1423595), (70, 1138876), (101, 789320), (140, 569438), (202, 394660), (280, 284719), (404, 197330), (505, 157864), (707, 112760), (808, 98665), (1010, 78932), (1414, 56380), (2020, 39466), (2819, 28280), (2828, 28190), (3535, 22552), (4040, 19733), (5638, 14140), (5656, 14095), (7070, 11276)]