1969969594860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{21006287}}^1$

素因数の和:21006823

約数の個数: 72

約数和(自身を含む): 5987044155456

約数和(自身を除く): 4017074560596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 2084, 2605, 3126, 4689, 5210, 6252, 7815, 9378, 10420, 15630, 18756, 23445, 31260, 46890, 93780, 21006287, 42012574, 63018861, 84025148, 105031435, 126037722, 189056583, 210062870, 252075444, 315094305, 378113166, 420125740, 630188610, 756226332, 945282915, 1260377220, 1890565830, 3781131660, 10944275527, 21888551054, 32832826581, 43777102108, 54721377635, 65665653162, 98498479743, 109442755270, 131331306324, 164164132905, 196996959486, 218885510540, 328328265810, 393993918972, 492492398715, 656656531620, 984984797430, 1969969594860]

約数ペア:

[(1, 1969969594860), (2, 984984797430), (3, 656656531620), (4, 492492398715), (5, 393993918972), (6, 328328265810), (9, 218885510540), (10, 196996959486), (12, 164164132905), (15, 131331306324), (18, 109442755270), (20, 98498479743), (30, 65665653162), (36, 54721377635), (45, 43777102108), (60, 32832826581), (90, 21888551054), (180, 10944275527), (521, 3781131660), (1042, 1890565830), (1563, 1260377220), (2084, 945282915), (2605, 756226332), (3126, 630188610), (4689, 420125740), (5210, 378113166), (6252, 315094305), (7815, 252075444), (9378, 210062870), (10420, 189056583), (15630, 126037722), (18756, 105031435), (23445, 84025148), (31260, 63018861), (46890, 42012574), (93780, 21006287)]