78503670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{353}}^2$

素因数の和:726

約数の個数: 72

約数和(自身を含む): 233930736

約数和(自身を除く): 155427066

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 353, 630, 706, 1059, 1765, 2118, 2471, 3177, 3530, 4942, 5295, 6354, 7413, 10590, 12355, 14826, 15885, 22239, 24710, 31770, 37065, 44478, 74130, 111195, 124609, 222390, 249218, 373827, 623045, 747654, 872263, 1121481, 1246090, 1744526, 1869135, 2242962, 2616789, 3738270, 4361315, 5233578, 5607405, 7850367, 8722630, 11214810, 13083945, 15700734, 26167890, 39251835, 78503670]

約数ペア:

[(1, 78503670), (2, 39251835), (3, 26167890), (5, 15700734), (6, 13083945), (7, 11214810), (9, 8722630), (10, 7850367), (14, 5607405), (15, 5233578), (18, 4361315), (21, 3738270), (30, 2616789), (35, 2242962), (42, 1869135), (45, 1744526), (63, 1246090), (70, 1121481), (90, 872263), (105, 747654), (126, 623045), (210, 373827), (315, 249218), (353, 222390), (630, 124609), (706, 111195), (1059, 74130), (1765, 44478), (2118, 37065), (2471, 31770), (3177, 24710), (3530, 22239), (4942, 15885), (5295, 14826), (6354, 12355), (7413, 10590)]