1878487920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6379}}^1$

素因数の和:6807

約数の個数: 120

約数和(自身を含む): 6325004400

約数和(自身を除く): 4446516480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 409, 720, 818, 1227, 1636, 2045, 2454, 3272, 3681, 4090, 4908, 6135, 6379, 6544, 7362, 8180, 9816, 12270, 12758, 14724, 16360, 18405, 19137, 19632, 24540, 25516, 29448, 31895, 32720, 36810, 38274, 49080, 51032, 57411, 58896, 63790, 73620, 76548, 95685, 98160, 102064, 114822, 127580, 147240, 153096, 191370, 229644, 255160, 287055, 294480, 306192, 382740, 459288, 510320, 574110, 765480, 918576, 1148220, 1530960, 2296440, 2609011, 4592880, 5218022, 7827033, 10436044, 13045055, 15654066, 20872088, 23481099, 26090110, 31308132, 39135165, 41744176, 46962198, 52180220, 62616264, 78270330, 93924396, 104360440, 117405495, 125232528, 156540660, 187848792, 208720880, 234810990, 313081320, 375697584, 469621980, 626162640, 939243960, 1878487920]

約数ペア:

[(1, 1878487920), (2, 939243960), (3, 626162640), (4, 469621980), (5, 375697584), (6, 313081320), (8, 234810990), (9, 208720880), (10, 187848792), (12, 156540660), (15, 125232528), (16, 117405495), (18, 104360440), (20, 93924396), (24, 78270330), (30, 62616264), (36, 52180220), (40, 46962198), (45, 41744176), (48, 39135165), (60, 31308132), (72, 26090110), (80, 23481099), (90, 20872088), (120, 15654066), (144, 13045055), (180, 10436044), (240, 7827033), (360, 5218022), (409, 4592880), (720, 2609011), (818, 2296440), (1227, 1530960), (1636, 1148220), (2045, 918576), (2454, 765480), (3272, 574110), (3681, 510320), (4090, 459288), (4908, 382740), (6135, 306192), (6379, 294480), (6544, 287055), (7362, 255160), (8180, 229644), (9816, 191370), (12270, 153096), (12758, 147240), (14724, 127580), (16360, 114822), (18405, 102064), (19137, 98160), (19632, 95685), (24540, 76548), (25516, 73620), (29448, 63790), (31895, 58896), (32720, 57411), (36810, 51032), (38274, 49080)]