128739900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 391086080

約数和(自身を除く): 262346180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 109, 124, 127, 150, 155, 186, 218, 254, 300, 310, 327, 372, 381, 436, 465, 508, 545, 620, 635, 654, 762, 775, 930, 1090, 1270, 1308, 1524, 1550, 1635, 1860, 1905, 2180, 2325, 2540, 2725, 3100, 3175, 3270, 3379, 3810, 3937, 4650, 5450, 6350, 6540, 6758, 7620, 7874, 8175, 9300, 9525, 10137, 10900, 11811, 12700, 13516, 13843, 15748, 16350, 16895, 19050, 19685, 20274, 23622, 27686, 32700, 33790, 38100, 39370, 40548, 41529, 47244, 50685, 55372, 59055, 67580, 69215, 78740, 83058, 84475, 98425, 101370, 118110, 138430, 166116, 168950, 196850, 202740, 207645, 236220, 253425, 276860, 295275, 337900, 346075, 393700, 415290, 429133, 506850, 590550, 692150, 830580, 858266, 1013700, 1038225, 1181100, 1287399, 1384300, 1716532, 2076450, 2145665, 2574798, 4152900, 4291330, 5149596, 6436995, 8582660, 10728325, 12873990, 21456650, 25747980, 32184975, 42913300, 64369950, 128739900]

約数ペア:

[(1, 128739900), (2, 64369950), (3, 42913300), (4, 32184975), (5, 25747980), (6, 21456650), (10, 12873990), (12, 10728325), (15, 8582660), (20, 6436995), (25, 5149596), (30, 4291330), (31, 4152900), (50, 2574798), (60, 2145665), (62, 2076450), (75, 1716532), (93, 1384300), (100, 1287399), (109, 1181100), (124, 1038225), (127, 1013700), (150, 858266), (155, 830580), (186, 692150), (218, 590550), (254, 506850), (300, 429133), (310, 415290), (327, 393700), (372, 346075), (381, 337900), (436, 295275), (465, 276860), (508, 253425), (545, 236220), (620, 207645), (635, 202740), (654, 196850), (762, 168950), (775, 166116), (930, 138430), (1090, 118110), (1270, 101370), (1308, 98425), (1524, 84475), (1550, 83058), (1635, 78740), (1860, 69215), (1905, 67580), (2180, 59055), (2325, 55372), (2540, 50685), (2725, 47244), (3100, 41529), (3175, 40548), (3270, 39370), (3379, 38100), (3810, 33790), (3937, 32700), (4650, 27686), (5450, 23622), (6350, 20274), (6540, 19685), (6758, 19050), (7620, 16895), (7874, 16350), (8175, 15748), (9300, 13843), (9525, 13516), (10137, 12700), (10900, 11811)]