121276960

素因数分解:

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

素因数の和:559

約数の個数: 144

約数和(自身を含む): 344736000

約数和(自身を除く): 223459040

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, 499, 560, 620, 784, 868, 980, 992, 998, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1996, 2170, 2480, 2495, 3038, 3472, 3493, 3920, 3992, 4340, 4960, 4990, 6076, 6944, 6986, 7595, 7840, 7984, 8680, 9980, 12152, 13972, 15190, 15469, 15968, 17360, 17465, 19960, 24304, 24451, 27944, 30380, 30938, 34720, 34930, 39920, 48608, 48902, 55888, 60760, 61876, 69860, 77345, 79840, 97804, 108283, 111776, 121520, 122255, 123752, 139720, 154690, 195608, 216566, 243040, 244510, 247504, 279440, 309380, 391216, 433132, 489020, 495008, 541415, 558880, 618760, 757981, 782432, 866264, 978040, 1082830, 1237520, 1515962, 1732528, 1956080, 2165660, 2475040, 3031924, 3465056, 3789905, 3912160, 4331320, 6063848, 7579810, 8662640, 12127696, 15159620, 17325280, 24255392, 30319240, 60638480, 121276960]

約数ペア:

[(1, 121276960), (2, 60638480), (4, 30319240), (5, 24255392), (7, 17325280), (8, 15159620), (10, 12127696), (14, 8662640), (16, 7579810), (20, 6063848), (28, 4331320), (31, 3912160), (32, 3789905), (35, 3465056), (40, 3031924), (49, 2475040), (56, 2165660), (62, 1956080), (70, 1732528), (80, 1515962), (98, 1237520), (112, 1082830), (124, 978040), (140, 866264), (155, 782432), (160, 757981), (196, 618760), (217, 558880), (224, 541415), (245, 495008), (248, 489020), (280, 433132), (310, 391216), (392, 309380), (434, 279440), (490, 247504), (496, 244510), (499, 243040), (560, 216566), (620, 195608), (784, 154690), (868, 139720), (980, 123752), (992, 122255), (998, 121520), (1085, 111776), (1120, 108283), (1240, 97804), (1519, 79840), (1568, 77345), (1736, 69860), (1960, 61876), (1996, 60760), (2170, 55888), (2480, 48902), (2495, 48608), (3038, 39920), (3472, 34930), (3493, 34720), (3920, 30938), (3992, 30380), (4340, 27944), (4960, 24451), (4990, 24304), (6076, 19960), (6944, 17465), (6986, 17360), (7595, 15968), (7840, 15469), (7984, 15190), (8680, 13972), (9980, 12152)]