1644291320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{24571}}^1$

素因数の和:24828

約数の個数: 64

約数和(自身を含む): 4246041600

約数和(自身を除く): 2601750280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3346, 4780, 6692, 8365, 9560, 13384, 16730, 24571, 33460, 49142, 66920, 98284, 122855, 171997, 196568, 245710, 343994, 491420, 687988, 859985, 982840, 1375976, 1719970, 3439940, 5872469, 6879880, 11744938, 23489876, 29362345, 41107283, 46979752, 58724690, 82214566, 117449380, 164429132, 205536415, 234898760, 328858264, 411072830, 822145660, 1644291320]

約数ペア:

[(1, 1644291320), (2, 822145660), (4, 411072830), (5, 328858264), (7, 234898760), (8, 205536415), (10, 164429132), (14, 117449380), (20, 82214566), (28, 58724690), (35, 46979752), (40, 41107283), (56, 29362345), (70, 23489876), (140, 11744938), (239, 6879880), (280, 5872469), (478, 3439940), (956, 1719970), (1195, 1375976), (1673, 982840), (1912, 859985), (2390, 687988), (3346, 491420), (4780, 343994), (6692, 245710), (8365, 196568), (9560, 171997), (13384, 122855), (16730, 98284), (24571, 66920), (33460, 49142)]