64415380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 152409600

約数和(自身を除く): 87994220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 47, 58, 68, 85, 94, 116, 139, 145, 170, 188, 235, 278, 290, 340, 470, 493, 556, 580, 695, 799, 940, 986, 1363, 1390, 1598, 1972, 2363, 2465, 2726, 2780, 3196, 3995, 4031, 4726, 4930, 5452, 6533, 6815, 7990, 8062, 9452, 9860, 11815, 13066, 13630, 15980, 16124, 20155, 23171, 23630, 26132, 27260, 32665, 40310, 46342, 47260, 65330, 68527, 80620, 92684, 111061, 115855, 130660, 137054, 189457, 222122, 231710, 274108, 342635, 378914, 444244, 463420, 555305, 685270, 757828, 947285, 1110610, 1370540, 1894570, 2221220, 3220769, 3789140, 6441538, 12883076, 16103845, 32207690, 64415380]

約数ペア:

[(1, 64415380), (2, 32207690), (4, 16103845), (5, 12883076), (10, 6441538), (17, 3789140), (20, 3220769), (29, 2221220), (34, 1894570), (47, 1370540), (58, 1110610), (68, 947285), (85, 757828), (94, 685270), (116, 555305), (139, 463420), (145, 444244), (170, 378914), (188, 342635), (235, 274108), (278, 231710), (290, 222122), (340, 189457), (470, 137054), (493, 130660), (556, 115855), (580, 111061), (695, 92684), (799, 80620), (940, 68527), (986, 65330), (1363, 47260), (1390, 46342), (1598, 40310), (1972, 32665), (2363, 27260), (2465, 26132), (2726, 23630), (2780, 23171), (3196, 20155), (3995, 16124), (4031, 15980), (4726, 13630), (4930, 13066), (5452, 11815), (6533, 9860), (6815, 9452), (7990, 8062)]