656947920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66763}}^1$

素因数の和:66820

約数の個数: 80

約数和(自身を含む): 2086241472

約数和(自身を除く): 1429293552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 66763, 133526, 200289, 267052, 333815, 400578, 534104, 667630, 801156, 1001445, 1068208, 1335260, 1602312, 2002890, 2670520, 2737283, 3204624, 4005780, 5341040, 5474566, 8011560, 8211849, 10949132, 13686415, 16023120, 16423698, 21898264, 27372830, 32847396, 41059245, 43796528, 54745660, 65694792, 82118490, 109491320, 131389584, 164236980, 218982640, 328473960, 656947920]

約数ペア:

[(1, 656947920), (2, 328473960), (3, 218982640), (4, 164236980), (5, 131389584), (6, 109491320), (8, 82118490), (10, 65694792), (12, 54745660), (15, 43796528), (16, 41059245), (20, 32847396), (24, 27372830), (30, 21898264), (40, 16423698), (41, 16023120), (48, 13686415), (60, 10949132), (80, 8211849), (82, 8011560), (120, 5474566), (123, 5341040), (164, 4005780), (205, 3204624), (240, 2737283), (246, 2670520), (328, 2002890), (410, 1602312), (492, 1335260), (615, 1068208), (656, 1001445), (820, 801156), (984, 667630), (1230, 534104), (1640, 400578), (1968, 333815), (2460, 267052), (3280, 200289), (4920, 133526), (9840, 66763)]