161742140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1093}}^1$

素因数の和:1267

約数の個数: 72

約数和(自身を含む): 398093472

約数和(自身を除く): 236351332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 490, 604, 755, 980, 1057, 1093, 1510, 2114, 2186, 3020, 4228, 4372, 5285, 5465, 7399, 7651, 10570, 10930, 14798, 15302, 21140, 21860, 29596, 30604, 36995, 38255, 53557, 73990, 76510, 107114, 147980, 153020, 165043, 214228, 267785, 330086, 535570, 660172, 825215, 1071140, 1155301, 1650430, 2310602, 3300860, 4621204, 5776505, 8087107, 11553010, 16174214, 23106020, 32348428, 40435535, 80871070, 161742140]

約数ペア:

[(1, 161742140), (2, 80871070), (4, 40435535), (5, 32348428), (7, 23106020), (10, 16174214), (14, 11553010), (20, 8087107), (28, 5776505), (35, 4621204), (49, 3300860), (70, 2310602), (98, 1650430), (140, 1155301), (151, 1071140), (196, 825215), (245, 660172), (302, 535570), (490, 330086), (604, 267785), (755, 214228), (980, 165043), (1057, 153020), (1093, 147980), (1510, 107114), (2114, 76510), (2186, 73990), (3020, 53557), (4228, 38255), (4372, 36995), (5285, 30604), (5465, 29596), (7399, 21860), (7651, 21140), (10570, 15302), (10930, 14798)]