81159130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 165473280

約数和(自身を除く): 84314150

約数列:

[1, 2, 5, 10, 13, 26, 37, 47, 65, 74, 94, 130, 185, 235, 359, 370, 470, 481, 611, 718, 962, 1222, 1739, 1795, 2405, 3055, 3478, 3590, 4667, 4810, 6110, 8695, 9334, 13283, 16873, 17390, 22607, 23335, 26566, 33746, 45214, 46670, 66415, 84365, 113035, 132830, 168730, 172679, 219349, 226070, 345358, 438698, 624301, 863395, 1096745, 1248602, 1726790, 2193490, 3121505, 6243010, 8115913, 16231826, 40579565, 81159130]

約数ペア:

[(1, 81159130), (2, 40579565), (5, 16231826), (10, 8115913), (13, 6243010), (26, 3121505), (37, 2193490), (47, 1726790), (65, 1248602), (74, 1096745), (94, 863395), (130, 624301), (185, 438698), (235, 345358), (359, 226070), (370, 219349), (470, 172679), (481, 168730), (611, 132830), (718, 113035), (962, 84365), (1222, 66415), (1739, 46670), (1795, 45214), (2405, 33746), (3055, 26566), (3478, 23335), (3590, 22607), (4667, 17390), (4810, 16873), (6110, 13283), (8695, 9334)]