68400240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2767}}^1$

素因数の和:2886

約数の個数: 80

約数和(自身を含む): 214176768

約数和(自身を除く): 145776528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 2767, 3090, 4120, 4944, 5534, 6180, 8240, 8301, 11068, 12360, 13835, 16602, 22136, 24720, 27670, 33204, 41505, 44272, 55340, 66408, 83010, 110680, 132816, 166020, 221360, 285001, 332040, 570002, 664080, 855003, 1140004, 1425005, 1710006, 2280008, 2850010, 3420012, 4275015, 4560016, 5700020, 6840024, 8550030, 11400040, 13680048, 17100060, 22800080, 34200120, 68400240]

約数ペア:

[(1, 68400240), (2, 34200120), (3, 22800080), (4, 17100060), (5, 13680048), (6, 11400040), (8, 8550030), (10, 6840024), (12, 5700020), (15, 4560016), (16, 4275015), (20, 3420012), (24, 2850010), (30, 2280008), (40, 1710006), (48, 1425005), (60, 1140004), (80, 855003), (103, 664080), (120, 570002), (206, 332040), (240, 285001), (309, 221360), (412, 166020), (515, 132816), (618, 110680), (824, 83010), (1030, 66408), (1236, 55340), (1545, 44272), (1648, 41505), (2060, 33204), (2472, 27670), (2767, 24720), (3090, 22136), (4120, 16602), (4944, 13835), (5534, 12360), (6180, 11068), (8240, 8301)]