315195160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 848517120

約数和(自身を除く): 533321960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 47, 56, 70, 86, 94, 140, 172, 188, 215, 235, 280, 301, 329, 344, 376, 430, 470, 557, 602, 658, 860, 940, 1114, 1204, 1316, 1505, 1645, 1720, 1880, 2021, 2228, 2408, 2632, 2785, 3010, 3290, 3899, 4042, 4456, 5570, 6020, 6580, 7798, 8084, 10105, 11140, 12040, 13160, 14147, 15596, 16168, 19495, 20210, 22280, 23951, 26179, 28294, 31192, 38990, 40420, 47902, 52358, 56588, 70735, 77980, 80840, 95804, 104716, 113176, 119755, 130895, 141470, 155960, 167657, 183253, 191608, 209432, 239510, 261790, 282940, 335314, 366506, 479020, 523580, 565880, 670628, 733012, 838285, 916265, 958040, 1047160, 1125697, 1341256, 1466024, 1676570, 1832530, 2251394, 3353140, 3665060, 4502788, 5628485, 6706280, 7330120, 7879879, 9005576, 11256970, 15759758, 22513940, 31519516, 39399395, 45027880, 63039032, 78798790, 157597580, 315195160]

約数ペア:

[(1, 315195160), (2, 157597580), (4, 78798790), (5, 63039032), (7, 45027880), (8, 39399395), (10, 31519516), (14, 22513940), (20, 15759758), (28, 11256970), (35, 9005576), (40, 7879879), (43, 7330120), (47, 6706280), (56, 5628485), (70, 4502788), (86, 3665060), (94, 3353140), (140, 2251394), (172, 1832530), (188, 1676570), (215, 1466024), (235, 1341256), (280, 1125697), (301, 1047160), (329, 958040), (344, 916265), (376, 838285), (430, 733012), (470, 670628), (557, 565880), (602, 523580), (658, 479020), (860, 366506), (940, 335314), (1114, 282940), (1204, 261790), (1316, 239510), (1505, 209432), (1645, 191608), (1720, 183253), (1880, 167657), (2021, 155960), (2228, 141470), (2408, 130895), (2632, 119755), (2785, 113176), (3010, 104716), (3290, 95804), (3899, 80840), (4042, 77980), (4456, 70735), (5570, 56588), (6020, 52358), (6580, 47902), (7798, 40420), (8084, 38990), (10105, 31192), (11140, 28294), (12040, 26179), (13160, 23951), (14147, 22280), (15596, 20210), (16168, 19495)]