91281990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1677

約数の個数: 64

約数和(自身を含む): 229340160

約数和(自身を除く): 138058170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 47, 82, 94, 123, 141, 205, 235, 246, 282, 410, 470, 615, 705, 1230, 1410, 1579, 1927, 3158, 3854, 4737, 5781, 7895, 9474, 9635, 11562, 15790, 19270, 23685, 28905, 47370, 57810, 64739, 74213, 129478, 148426, 194217, 222639, 323695, 371065, 388434, 445278, 647390, 742130, 971085, 1113195, 1942170, 2226390, 3042733, 6085466, 9128199, 15213665, 18256398, 30427330, 45640995, 91281990]

約数ペア:

[(1, 91281990), (2, 45640995), (3, 30427330), (5, 18256398), (6, 15213665), (10, 9128199), (15, 6085466), (30, 3042733), (41, 2226390), (47, 1942170), (82, 1113195), (94, 971085), (123, 742130), (141, 647390), (205, 445278), (235, 388434), (246, 371065), (282, 323695), (410, 222639), (470, 194217), (615, 148426), (705, 129478), (1230, 74213), (1410, 64739), (1579, 57810), (1927, 47370), (3158, 28905), (3854, 23685), (4737, 19270), (5781, 15790), (7895, 11562), (9474, 9635)]