68605740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54449}}^1$

素因数の和:54471

約数の個数: 72

約数和(自身を含む): 237837600

約数和(自身を除く): 169231860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54449, 108898, 163347, 217796, 272245, 326694, 381143, 490041, 544490, 653388, 762286, 816735, 980082, 1088980, 1143429, 1524572, 1633470, 1905715, 1960164, 2286858, 2450205, 3266940, 3430287, 3811430, 4573716, 4900410, 5717145, 6860574, 7622860, 9800820, 11434290, 13721148, 17151435, 22868580, 34302870, 68605740]

約数ペア:

[(1, 68605740), (2, 34302870), (3, 22868580), (4, 17151435), (5, 13721148), (6, 11434290), (7, 9800820), (9, 7622860), (10, 6860574), (12, 5717145), (14, 4900410), (15, 4573716), (18, 3811430), (20, 3430287), (21, 3266940), (28, 2450205), (30, 2286858), (35, 1960164), (36, 1905715), (42, 1633470), (45, 1524572), (60, 1143429), (63, 1088980), (70, 980082), (84, 816735), (90, 762286), (105, 653388), (126, 544490), (140, 490041), (180, 381143), (210, 326694), (252, 272245), (315, 217796), (420, 163347), (630, 108898), (1260, 54449)]