128791530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{204431}}^1$

素因数の和:204451

約数の個数: 48

約数和(自身を含む): 382696704

約数和(自身を除く): 253905174

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, 630, 204431, 408862, 613293, 1022155, 1226586, 1431017, 1839879, 2044310, 2862034, 3066465, 3679758, 4293051, 6132930, 7155085, 8586102, 9199395, 12879153, 14310170, 18398790, 21465255, 25758306, 42930510, 64395765, 128791530]

約数ペア:

[(1, 128791530), (2, 64395765), (3, 42930510), (5, 25758306), (6, 21465255), (7, 18398790), (9, 14310170), (10, 12879153), (14, 9199395), (15, 8586102), (18, 7155085), (21, 6132930), (30, 4293051), (35, 3679758), (42, 3066465), (45, 2862034), (63, 2044310), (70, 1839879), (90, 1431017), (105, 1226586), (126, 1022155), (210, 613293), (315, 408862), (630, 204431)]