1357491080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 3438737280

約数和(自身を除く): 2081246200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 157, 172, 215, 220, 314, 344, 430, 440, 457, 473, 628, 785, 860, 914, 946, 1256, 1570, 1720, 1727, 1828, 1892, 2285, 2365, 3140, 3454, 3656, 3784, 4570, 4730, 5027, 6280, 6751, 6908, 8635, 9140, 9460, 10054, 13502, 13816, 17270, 18280, 18920, 19651, 20108, 25135, 27004, 33755, 34540, 39302, 40216, 50270, 54008, 67510, 69080, 71749, 74261, 78604, 98255, 100540, 135020, 143498, 148522, 157208, 196510, 201080, 216161, 270040, 286996, 297044, 358745, 371305, 393020, 432322, 573992, 594088, 717490, 742610, 786040, 789239, 864644, 1080805, 1434980, 1485220, 1578478, 1729288, 2161610, 2869960, 2970440, 3085207, 3156956, 3946195, 4323220, 6170414, 6313912, 7892390, 8646440, 12340828, 15426035, 15784780, 24681656, 30852070, 31569560, 33937277, 61704140, 67874554, 123408280, 135749108, 169686385, 271498216, 339372770, 678745540, 1357491080]

約数ペア:

[(1, 1357491080), (2, 678745540), (4, 339372770), (5, 271498216), (8, 169686385), (10, 135749108), (11, 123408280), (20, 67874554), (22, 61704140), (40, 33937277), (43, 31569560), (44, 30852070), (55, 24681656), (86, 15784780), (88, 15426035), (110, 12340828), (157, 8646440), (172, 7892390), (215, 6313912), (220, 6170414), (314, 4323220), (344, 3946195), (430, 3156956), (440, 3085207), (457, 2970440), (473, 2869960), (628, 2161610), (785, 1729288), (860, 1578478), (914, 1485220), (946, 1434980), (1256, 1080805), (1570, 864644), (1720, 789239), (1727, 786040), (1828, 742610), (1892, 717490), (2285, 594088), (2365, 573992), (3140, 432322), (3454, 393020), (3656, 371305), (3784, 358745), (4570, 297044), (4730, 286996), (5027, 270040), (6280, 216161), (6751, 201080), (6908, 196510), (8635, 157208), (9140, 148522), (9460, 143498), (10054, 135020), (13502, 100540), (13816, 98255), (17270, 78604), (18280, 74261), (18920, 71749), (19651, 69080), (20108, 67510), (25135, 54008), (27004, 50270), (33755, 40216), (34540, 39302)]