30319240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 82080000

約数和(自身を除く): 51760760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 499, 620, 868, 980, 998, 1085, 1240, 1519, 1736, 1960, 1996, 2170, 2495, 3038, 3493, 3992, 4340, 4990, 6076, 6986, 7595, 8680, 9980, 12152, 13972, 15190, 15469, 17465, 19960, 24451, 27944, 30380, 30938, 34930, 48902, 60760, 61876, 69860, 77345, 97804, 108283, 122255, 123752, 139720, 154690, 195608, 216566, 244510, 309380, 433132, 489020, 541415, 618760, 757981, 866264, 978040, 1082830, 1515962, 2165660, 3031924, 3789905, 4331320, 6063848, 7579810, 15159620, 30319240]

約数ペア:

[(1, 30319240), (2, 15159620), (4, 7579810), (5, 6063848), (7, 4331320), (8, 3789905), (10, 3031924), (14, 2165660), (20, 1515962), (28, 1082830), (31, 978040), (35, 866264), (40, 757981), (49, 618760), (56, 541415), (62, 489020), (70, 433132), (98, 309380), (124, 244510), (140, 216566), (155, 195608), (196, 154690), (217, 139720), (245, 123752), (248, 122255), (280, 108283), (310, 97804), (392, 77345), (434, 69860), (490, 61876), (499, 60760), (620, 48902), (868, 34930), (980, 30938), (998, 30380), (1085, 27944), (1240, 24451), (1519, 19960), (1736, 17465), (1960, 15469), (1996, 15190), (2170, 13972), (2495, 12152), (3038, 9980), (3493, 8680), (3992, 7595), (4340, 6986), (4990, 6076)]