68776680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 128

約数和(自身を含む): 241678080

約数和(自身を除く): 172901400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 1997, 2296, 2460, 2870, 3444, 3994, 4305, 4920, 5740, 5991, 6888, 7988, 8610, 9985, 11480, 11982, 13979, 15976, 17220, 19970, 23964, 27958, 29955, 34440, 39940, 41937, 47928, 55916, 59910, 69895, 79880, 81877, 83874, 111832, 119820, 139790, 163754, 167748, 209685, 239640, 245631, 279580, 327508, 335496, 409385, 419370, 491262, 559160, 573139, 655016, 818770, 838740, 982524, 1146278, 1228155, 1637540, 1677480, 1719417, 1965048, 2292556, 2456310, 2865695, 3275080, 3438834, 4585112, 4912620, 5731390, 6877668, 8597085, 9825240, 11462780, 13755336, 17194170, 22925560, 34388340, 68776680]

約数ペア:

[(1, 68776680), (2, 34388340), (3, 22925560), (4, 17194170), (5, 13755336), (6, 11462780), (7, 9825240), (8, 8597085), (10, 6877668), (12, 5731390), (14, 4912620), (15, 4585112), (20, 3438834), (21, 3275080), (24, 2865695), (28, 2456310), (30, 2292556), (35, 1965048), (40, 1719417), (41, 1677480), (42, 1637540), (56, 1228155), (60, 1146278), (70, 982524), (82, 838740), (84, 818770), (105, 655016), (120, 573139), (123, 559160), (140, 491262), (164, 419370), (168, 409385), (205, 335496), (210, 327508), (246, 279580), (280, 245631), (287, 239640), (328, 209685), (410, 167748), (420, 163754), (492, 139790), (574, 119820), (615, 111832), (820, 83874), (840, 81877), (861, 79880), (984, 69895), (1148, 59910), (1230, 55916), (1435, 47928), (1640, 41937), (1722, 39940), (1997, 34440), (2296, 29955), (2460, 27958), (2870, 23964), (3444, 19970), (3994, 17220), (4305, 15976), (4920, 13979), (5740, 11982), (5991, 11480), (6888, 9985), (7988, 8610)]