638410320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6379}}^1$

素因数の和:6537

約数の個数: 120

約数和(自身を含む): 2159757600

約数和(自身を除く): 1521347280

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, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1390, 1668, 2085, 2224, 2502, 2780, 3336, 4170, 5004, 5560, 6255, 6379, 6672, 8340, 10008, 11120, 12510, 12758, 16680, 19137, 20016, 25020, 25516, 31895, 33360, 38274, 50040, 51032, 57411, 63790, 76548, 95685, 100080, 102064, 114822, 127580, 153096, 191370, 229644, 255160, 287055, 306192, 382740, 459288, 510320, 574110, 765480, 886681, 918576, 1148220, 1530960, 1773362, 2296440, 2660043, 3546724, 4433405, 4592880, 5320086, 7093448, 7980129, 8866810, 10640172, 13300215, 14186896, 15960258, 17733620, 21280344, 26600430, 31920516, 35467240, 39900645, 42560688, 53200860, 63841032, 70934480, 79801290, 106401720, 127682064, 159602580, 212803440, 319205160, 638410320]

約数ペア:

[(1, 638410320), (2, 319205160), (3, 212803440), (4, 159602580), (5, 127682064), (6, 106401720), (8, 79801290), (9, 70934480), (10, 63841032), (12, 53200860), (15, 42560688), (16, 39900645), (18, 35467240), (20, 31920516), (24, 26600430), (30, 21280344), (36, 17733620), (40, 15960258), (45, 14186896), (48, 13300215), (60, 10640172), (72, 8866810), (80, 7980129), (90, 7093448), (120, 5320086), (139, 4592880), (144, 4433405), (180, 3546724), (240, 2660043), (278, 2296440), (360, 1773362), (417, 1530960), (556, 1148220), (695, 918576), (720, 886681), (834, 765480), (1112, 574110), (1251, 510320), (1390, 459288), (1668, 382740), (2085, 306192), (2224, 287055), (2502, 255160), (2780, 229644), (3336, 191370), (4170, 153096), (5004, 127580), (5560, 114822), (6255, 102064), (6379, 100080), (6672, 95685), (8340, 76548), (10008, 63790), (11120, 57411), (12510, 51032), (12758, 50040), (16680, 38274), (19137, 33360), (20016, 31895), (25020, 25516)]