209991120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8663}}^1$

素因数の和:8780

約数の個数: 80

約数和(自身を含む): 657493632

約数和(自身を除く): 447502512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 6060, 8080, 8663, 12120, 17326, 24240, 25989, 34652, 43315, 51978, 69304, 86630, 103956, 129945, 138608, 173260, 207912, 259890, 346520, 415824, 519780, 693040, 874963, 1039560, 1749926, 2079120, 2624889, 3499852, 4374815, 5249778, 6999704, 8749630, 10499556, 13124445, 13999408, 17499260, 20999112, 26248890, 34998520, 41998224, 52497780, 69997040, 104995560, 209991120]

約数ペア:

[(1, 209991120), (2, 104995560), (3, 69997040), (4, 52497780), (5, 41998224), (6, 34998520), (8, 26248890), (10, 20999112), (12, 17499260), (15, 13999408), (16, 13124445), (20, 10499556), (24, 8749630), (30, 6999704), (40, 5249778), (48, 4374815), (60, 3499852), (80, 2624889), (101, 2079120), (120, 1749926), (202, 1039560), (240, 874963), (303, 693040), (404, 519780), (505, 415824), (606, 346520), (808, 259890), (1010, 207912), (1212, 173260), (1515, 138608), (1616, 129945), (2020, 103956), (2424, 86630), (3030, 69304), (4040, 51978), (4848, 43315), (6060, 34652), (8080, 25989), (8663, 24240), (12120, 17326)]