1678440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 5132160

約数和(自身を除く): 3453720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 197, 213, 284, 355, 394, 426, 568, 591, 710, 788, 852, 985, 1065, 1182, 1420, 1576, 1704, 1970, 2130, 2364, 2840, 2955, 3940, 4260, 4728, 5910, 7880, 8520, 11820, 13987, 23640, 27974, 41961, 55948, 69935, 83922, 111896, 139870, 167844, 209805, 279740, 335688, 419610, 559480, 839220, 1678440]

約数ペア:

[(1, 1678440), (2, 839220), (3, 559480), (4, 419610), (5, 335688), (6, 279740), (8, 209805), (10, 167844), (12, 139870), (15, 111896), (20, 83922), (24, 69935), (30, 55948), (40, 41961), (60, 27974), (71, 23640), (120, 13987), (142, 11820), (197, 8520), (213, 7880), (284, 5910), (355, 4728), (394, 4260), (426, 3940), (568, 2955), (591, 2840), (710, 2364), (788, 2130), (852, 1970), (985, 1704), (1065, 1576), (1182, 1420)]