642843345420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{2044277}}^1$

素因数の和:2046039

約数の個数: 72

約数和(自身を含む): 1951075277424

約数和(自身を除く): 1308231932004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1747, 3494, 5241, 6988, 8735, 10482, 15723, 17470, 20964, 26205, 31446, 34940, 52410, 62892, 78615, 104820, 157230, 314460, 2044277, 4088554, 6132831, 8177108, 10221385, 12265662, 18398493, 20442770, 24531324, 30664155, 36796986, 40885540, 61328310, 73593972, 91992465, 122656620, 183984930, 367969860, 3571351919, 7142703838, 10714055757, 14285407676, 17856759595, 21428111514, 32142167271, 35713519190, 42856223028, 53570278785, 64284334542, 71427038380, 107140557570, 128568669084, 160710836355, 214281115140, 321421672710, 642843345420]

約数ペア:

[(1, 642843345420), (2, 321421672710), (3, 214281115140), (4, 160710836355), (5, 128568669084), (6, 107140557570), (9, 71427038380), (10, 64284334542), (12, 53570278785), (15, 42856223028), (18, 35713519190), (20, 32142167271), (30, 21428111514), (36, 17856759595), (45, 14285407676), (60, 10714055757), (90, 7142703838), (180, 3571351919), (1747, 367969860), (3494, 183984930), (5241, 122656620), (6988, 91992465), (8735, 73593972), (10482, 61328310), (15723, 40885540), (17470, 36796986), (20964, 30664155), (26205, 24531324), (31446, 20442770), (34940, 18398493), (52410, 12265662), (62892, 10221385), (78615, 8177108), (104820, 6132831), (157230, 4088554), (314460, 2044277)]