1861509780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{795517}}^1$

素因数の和:795545

約数の個数: 72

約数和(自身を含む): 6080939592

約数和(自身を除く): 4219429812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 795517, 1591034, 2386551, 3182068, 3977585, 4773102, 7159653, 7955170, 9546204, 10341721, 11932755, 14319306, 15910340, 20683442, 23865510, 28638612, 31025163, 35798265, 41366884, 47731020, 51708605, 62050326, 71596530, 93075489, 103417210, 124100652, 143193060, 155125815, 186150978, 206834420, 310251630, 372301956, 465377445, 620503260, 930754890, 1861509780]

約数ペア:

[(1, 1861509780), (2, 930754890), (3, 620503260), (4, 465377445), (5, 372301956), (6, 310251630), (9, 206834420), (10, 186150978), (12, 155125815), (13, 143193060), (15, 124100652), (18, 103417210), (20, 93075489), (26, 71596530), (30, 62050326), (36, 51708605), (39, 47731020), (45, 41366884), (52, 35798265), (60, 31025163), (65, 28638612), (78, 23865510), (90, 20683442), (117, 15910340), (130, 14319306), (156, 11932755), (180, 10341721), (195, 9546204), (234, 7955170), (260, 7159653), (390, 4773102), (468, 3977585), (585, 3182068), (780, 2386551), (1170, 1591034), (2340, 795517)]