1566646760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{40253}}^1$

素因数の和:40410

約数の個数: 64

約数和(自身を含む): 4057603200

約数和(自身を除く): 2490956440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 9730, 19460, 38920, 40253, 80506, 161012, 201265, 281771, 322024, 402530, 563542, 805060, 1127084, 1408855, 1610120, 2254168, 2817710, 5595167, 5635420, 11190334, 11270840, 22380668, 27975835, 39166169, 44761336, 55951670, 78332338, 111903340, 156664676, 195830845, 223806680, 313329352, 391661690, 783323380, 1566646760]

約数ペア:

[(1, 1566646760), (2, 783323380), (4, 391661690), (5, 313329352), (7, 223806680), (8, 195830845), (10, 156664676), (14, 111903340), (20, 78332338), (28, 55951670), (35, 44761336), (40, 39166169), (56, 27975835), (70, 22380668), (139, 11270840), (140, 11190334), (278, 5635420), (280, 5595167), (556, 2817710), (695, 2254168), (973, 1610120), (1112, 1408855), (1390, 1127084), (1946, 805060), (2780, 563542), (3892, 402530), (4865, 322024), (5560, 281771), (7784, 201265), (9730, 161012), (19460, 80506), (38920, 40253)]