1280381400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{461}}^1\times {\mathrm{1543}}^1$

素因数の和:2026

約数の個数: 144

約数和(自身を含む): 4312067760

約数和(自身を除く): 3031686360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 461, 600, 900, 922, 1383, 1543, 1800, 1844, 2305, 2766, 3086, 3688, 4149, 4610, 4629, 5532, 6172, 6915, 7715, 8298, 9220, 9258, 11064, 11525, 12344, 13830, 13887, 15430, 16596, 18440, 18516, 20745, 23050, 23145, 27660, 27774, 30860, 33192, 34575, 37032, 38575, 41490, 46100, 46290, 55320, 55548, 61720, 69150, 69435, 77150, 82980, 92200, 92580, 103725, 111096, 115725, 138300, 138870, 154300, 165960, 185160, 207450, 231450, 276600, 277740, 308600, 347175, 414900, 462900, 555480, 694350, 711323, 829800, 925800, 1388700, 1422646, 2133969, 2777400, 2845292, 3556615, 4267938, 5690584, 6401907, 7113230, 8535876, 10669845, 12803814, 14226460, 17071752, 17783075, 21339690, 25607628, 28452920, 32009535, 35566150, 42679380, 51215256, 53349225, 64019070, 71132300, 85358760, 106698450, 128038140, 142264600, 160047675, 213396900, 256076280, 320095350, 426793800, 640190700, 1280381400]

約数ペア:

[(1, 1280381400), (2, 640190700), (3, 426793800), (4, 320095350), (5, 256076280), (6, 213396900), (8, 160047675), (9, 142264600), (10, 128038140), (12, 106698450), (15, 85358760), (18, 71132300), (20, 64019070), (24, 53349225), (25, 51215256), (30, 42679380), (36, 35566150), (40, 32009535), (45, 28452920), (50, 25607628), (60, 21339690), (72, 17783075), (75, 17071752), (90, 14226460), (100, 12803814), (120, 10669845), (150, 8535876), (180, 7113230), (200, 6401907), (225, 5690584), (300, 4267938), (360, 3556615), (450, 2845292), (461, 2777400), (600, 2133969), (900, 1422646), (922, 1388700), (1383, 925800), (1543, 829800), (1800, 711323), (1844, 694350), (2305, 555480), (2766, 462900), (3086, 414900), (3688, 347175), (4149, 308600), (4610, 277740), (4629, 276600), (5532, 231450), (6172, 207450), (6915, 185160), (7715, 165960), (8298, 154300), (9220, 138870), (9258, 138300), (11064, 115725), (11525, 111096), (12344, 103725), (13830, 92580), (13887, 92200), (15430, 82980), (16596, 77150), (18440, 69435), (18516, 69150), (20745, 61720), (23050, 55548), (23145, 55320), (27660, 46290), (27774, 46100), (30860, 41490), (33192, 38575), (34575, 37032)]