215897580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8629}}^1$

素因数の和:8783

約数の個数: 72

約数和(自身を含む): 659677200

約数和(自身を除く): 443779620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 8629, 12510, 17258, 25020, 25887, 34516, 43145, 51774, 77661, 86290, 103548, 129435, 155322, 172580, 258870, 310644, 388305, 517740, 776610, 1199431, 1553220, 2398862, 3598293, 4797724, 5997155, 7196586, 10794879, 11994310, 14393172, 17991465, 21589758, 23988620, 35982930, 43179516, 53974395, 71965860, 107948790, 215897580]

約数ペア:

[(1, 215897580), (2, 107948790), (3, 71965860), (4, 53974395), (5, 43179516), (6, 35982930), (9, 23988620), (10, 21589758), (12, 17991465), (15, 14393172), (18, 11994310), (20, 10794879), (30, 7196586), (36, 5997155), (45, 4797724), (60, 3598293), (90, 2398862), (139, 1553220), (180, 1199431), (278, 776610), (417, 517740), (556, 388305), (695, 310644), (834, 258870), (1251, 172580), (1390, 155322), (1668, 129435), (2085, 103548), (2502, 86290), (2780, 77661), (4170, 51774), (5004, 43145), (6255, 34516), (8340, 25887), (8629, 25020), (12510, 17258)]