66422480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 164721600

約数和(自身を除く): 98299120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 491, 712, 760, 890, 982, 1424, 1520, 1691, 1780, 1964, 2455, 3382, 3560, 3928, 4910, 6764, 7120, 7856, 8455, 9329, 9820, 13528, 16910, 18658, 19640, 27056, 33820, 37316, 39280, 43699, 46645, 67640, 74632, 87398, 93290, 135280, 149264, 174796, 186580, 218495, 349592, 373160, 436990, 699184, 746320, 830281, 873980, 1660562, 1747960, 3321124, 3495920, 4151405, 6642248, 8302810, 13284496, 16605620, 33211240, 66422480]

約数ペア:

[(1, 66422480), (2, 33211240), (4, 16605620), (5, 13284496), (8, 8302810), (10, 6642248), (16, 4151405), (19, 3495920), (20, 3321124), (38, 1747960), (40, 1660562), (76, 873980), (80, 830281), (89, 746320), (95, 699184), (152, 436990), (178, 373160), (190, 349592), (304, 218495), (356, 186580), (380, 174796), (445, 149264), (491, 135280), (712, 93290), (760, 87398), (890, 74632), (982, 67640), (1424, 46645), (1520, 43699), (1691, 39280), (1780, 37316), (1964, 33820), (2455, 27056), (3382, 19640), (3560, 18658), (3928, 16910), (4910, 13528), (6764, 9820), (7120, 9329), (7856, 8455)]