19578780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2820

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 46042020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2789, 3510, 5578, 7020, 8367, 11156, 13945, 16734, 25101, 27890, 33468, 36257, 41835, 50202, 55780, 72514, 75303, 83670, 100404, 108771, 125505, 145028, 150606, 167340, 181285, 217542, 251010, 301212, 326313, 362570, 376515, 435084, 502020, 543855, 652626, 725140, 753030, 978939, 1087710, 1305252, 1506060, 1631565, 1957878, 2175420, 3263130, 3915756, 4894695, 6526260, 9789390, 19578780]

約数ペア:

[(1, 19578780), (2, 9789390), (3, 6526260), (4, 4894695), (5, 3915756), (6, 3263130), (9, 2175420), (10, 1957878), (12, 1631565), (13, 1506060), (15, 1305252), (18, 1087710), (20, 978939), (26, 753030), (27, 725140), (30, 652626), (36, 543855), (39, 502020), (45, 435084), (52, 376515), (54, 362570), (60, 326313), (65, 301212), (78, 251010), (90, 217542), (108, 181285), (117, 167340), (130, 150606), (135, 145028), (156, 125505), (180, 108771), (195, 100404), (234, 83670), (260, 75303), (270, 72514), (351, 55780), (390, 50202), (468, 41835), (540, 36257), (585, 33468), (702, 27890), (780, 25101), (1170, 16734), (1404, 13945), (1755, 11156), (2340, 8367), (2789, 7020), (3510, 5578)]