71155540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 168182784

約数和(自身を除く): 97027244

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 43, 62, 68, 85, 86, 124, 155, 157, 170, 172, 215, 310, 314, 340, 430, 527, 620, 628, 731, 785, 860, 1054, 1333, 1462, 1570, 2108, 2635, 2666, 2669, 2924, 3140, 3655, 4867, 5270, 5332, 5338, 6665, 6751, 7310, 9734, 10540, 10676, 13330, 13345, 13502, 14620, 19468, 22661, 24335, 26660, 26690, 27004, 33755, 45322, 48670, 53380, 67510, 82739, 90644, 97340, 113305, 114767, 135020, 165478, 209281, 226610, 229534, 330956, 413695, 418562, 453220, 459068, 573835, 827390, 837124, 1046405, 1147670, 1654780, 2092810, 2295340, 3557777, 4185620, 7115554, 14231108, 17788885, 35577770, 71155540]

約数ペア:

[(1, 71155540), (2, 35577770), (4, 17788885), (5, 14231108), (10, 7115554), (17, 4185620), (20, 3557777), (31, 2295340), (34, 2092810), (43, 1654780), (62, 1147670), (68, 1046405), (85, 837124), (86, 827390), (124, 573835), (155, 459068), (157, 453220), (170, 418562), (172, 413695), (215, 330956), (310, 229534), (314, 226610), (340, 209281), (430, 165478), (527, 135020), (620, 114767), (628, 113305), (731, 97340), (785, 90644), (860, 82739), (1054, 67510), (1333, 53380), (1462, 48670), (1570, 45322), (2108, 33755), (2635, 27004), (2666, 26690), (2669, 26660), (2924, 24335), (3140, 22661), (3655, 19468), (4867, 14620), (5270, 13502), (5332, 13345), (5338, 13330), (6665, 10676), (6751, 10540), (7310, 9734)]