68880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1$

素因数の和:64

約数の個数: 80

約数和(自身を含む): 249984

約数和(自身を除く): 181104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 574, 615, 656, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3444, 4305, 4592, 4920, 5740, 6888, 8610, 9840, 11480, 13776, 17220, 22960, 34440, 68880]

約数ペア:

[(1, 68880), (2, 34440), (3, 22960), (4, 17220), (5, 13776), (6, 11480), (7, 9840), (8, 8610), (10, 6888), (12, 5740), (14, 4920), (15, 4592), (16, 4305), (20, 3444), (21, 3280), (24, 2870), (28, 2460), (30, 2296), (35, 1968), (40, 1722), (41, 1680), (42, 1640), (48, 1435), (56, 1230), (60, 1148), (70, 984), (80, 861), (82, 840), (84, 820), (105, 656), (112, 615), (120, 574), (123, 560), (140, 492), (164, 420), (168, 410), (205, 336), (210, 328), (240, 287), (246, 280)]