1278138870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{40231}}^1$

素因数の和:40597

約数の個数: 48

約数和(自身を含む): 3332657952

約数和(自身を除く): 2054519082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 353, 706, 1059, 1765, 2118, 3177, 3530, 5295, 6354, 10590, 15885, 31770, 40231, 80462, 120693, 201155, 241386, 362079, 402310, 603465, 724158, 1206930, 1810395, 3620790, 14201543, 28403086, 42604629, 71007715, 85209258, 127813887, 142015430, 213023145, 255627774, 426046290, 639069435, 1278138870]

約数ペア:

[(1, 1278138870), (2, 639069435), (3, 426046290), (5, 255627774), (6, 213023145), (9, 142015430), (10, 127813887), (15, 85209258), (18, 71007715), (30, 42604629), (45, 28403086), (90, 14201543), (353, 3620790), (706, 1810395), (1059, 1206930), (1765, 724158), (2118, 603465), (3177, 402310), (3530, 362079), (5295, 241386), (6354, 201155), (10590, 120693), (15885, 80462), (31770, 40231)]