128287500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 409473792

約数和(自身を除く): 281186292

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 125, 132, 150, 165, 220, 250, 275, 300, 311, 330, 375, 500, 550, 622, 625, 660, 750, 825, 933, 1100, 1244, 1250, 1375, 1500, 1555, 1650, 1866, 1875, 2500, 2750, 3110, 3125, 3300, 3421, 3732, 3750, 4125, 4665, 5500, 6220, 6250, 6842, 6875, 7500, 7775, 8250, 9330, 9375, 10263, 12500, 13684, 13750, 15550, 16500, 17105, 18660, 18750, 20526, 20625, 23325, 27500, 31100, 34210, 34375, 37500, 38875, 41052, 41250, 46650, 51315, 68420, 68750, 77750, 82500, 85525, 93300, 102630, 103125, 116625, 137500, 155500, 171050, 194375, 205260, 206250, 233250, 256575, 342100, 388750, 412500, 427625, 466500, 513150, 583125, 777500, 855250, 971875, 1026300, 1166250, 1282875, 1710500, 1943750, 2138125, 2332500, 2565750, 2915625, 3887500, 4276250, 5131500, 5831250, 6414375, 8552500, 10690625, 11662500, 12828750, 21381250, 25657500, 32071875, 42762500, 64143750, 128287500]

約数ペア:

[(1, 128287500), (2, 64143750), (3, 42762500), (4, 32071875), (5, 25657500), (6, 21381250), (10, 12828750), (11, 11662500), (12, 10690625), (15, 8552500), (20, 6414375), (22, 5831250), (25, 5131500), (30, 4276250), (33, 3887500), (44, 2915625), (50, 2565750), (55, 2332500), (60, 2138125), (66, 1943750), (75, 1710500), (100, 1282875), (110, 1166250), (125, 1026300), (132, 971875), (150, 855250), (165, 777500), (220, 583125), (250, 513150), (275, 466500), (300, 427625), (311, 412500), (330, 388750), (375, 342100), (500, 256575), (550, 233250), (622, 206250), (625, 205260), (660, 194375), (750, 171050), (825, 155500), (933, 137500), (1100, 116625), (1244, 103125), (1250, 102630), (1375, 93300), (1500, 85525), (1555, 82500), (1650, 77750), (1866, 68750), (1875, 68420), (2500, 51315), (2750, 46650), (3110, 41250), (3125, 41052), (3300, 38875), (3421, 37500), (3732, 34375), (3750, 34210), (4125, 31100), (4665, 27500), (5500, 23325), (6220, 20625), (6250, 20526), (6842, 18750), (6875, 18660), (7500, 17105), (7775, 16500), (8250, 15550), (9330, 13750), (9375, 13684), (10263, 12500)]