857688160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3529}}^1$

素因数の和:3589

約数の個数: 144

約数和(自身を含む): 2433836160

約数和(自身を除く): 1576148000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2170, 2480, 3038, 3472, 3529, 3920, 4340, 4960, 6076, 6944, 7058, 7595, 7840, 8680, 12152, 14116, 15190, 17360, 17645, 24304, 24703, 28232, 30380, 34720, 35290, 48608, 49406, 56464, 60760, 70580, 98812, 109399, 112928, 121520, 123515, 141160, 172921, 197624, 218798, 243040, 247030, 282320, 345842, 395248, 437596, 494060, 546995, 564640, 691684, 765793, 790496, 864605, 875192, 988120, 1093990, 1383368, 1531586, 1729210, 1750384, 1976240, 2187980, 2766736, 3063172, 3458420, 3500768, 3828965, 3952480, 4375960, 5360551, 5533472, 6126344, 6916840, 7657930, 8751920, 10721102, 12252688, 13833680, 15315860, 17503840, 21442204, 24505376, 26802755, 27667360, 30631720, 42884408, 53605510, 61263440, 85768816, 107211020, 122526880, 171537632, 214422040, 428844080, 857688160]

約数ペア:

[(1, 857688160), (2, 428844080), (4, 214422040), (5, 171537632), (7, 122526880), (8, 107211020), (10, 85768816), (14, 61263440), (16, 53605510), (20, 42884408), (28, 30631720), (31, 27667360), (32, 26802755), (35, 24505376), (40, 21442204), (49, 17503840), (56, 15315860), (62, 13833680), (70, 12252688), (80, 10721102), (98, 8751920), (112, 7657930), (124, 6916840), (140, 6126344), (155, 5533472), (160, 5360551), (196, 4375960), (217, 3952480), (224, 3828965), (245, 3500768), (248, 3458420), (280, 3063172), (310, 2766736), (392, 2187980), (434, 1976240), (490, 1750384), (496, 1729210), (560, 1531586), (620, 1383368), (784, 1093990), (868, 988120), (980, 875192), (992, 864605), (1085, 790496), (1120, 765793), (1240, 691684), (1519, 564640), (1568, 546995), (1736, 494060), (1960, 437596), (2170, 395248), (2480, 345842), (3038, 282320), (3472, 247030), (3529, 243040), (3920, 218798), (4340, 197624), (4960, 172921), (6076, 141160), (6944, 123515), (7058, 121520), (7595, 112928), (7840, 109399), (8680, 98812), (12152, 70580), (14116, 60760), (15190, 56464), (17360, 49406), (17645, 48608), (24304, 35290), (24703, 34720), (28232, 30380)]