8081080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 128

約数和(自身を含む): 23040000

約数和(自身を除く): 14958920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 49, 56, 62, 70, 76, 95, 98, 124, 133, 140, 152, 155, 190, 196, 217, 245, 248, 266, 280, 310, 343, 380, 392, 434, 490, 532, 589, 620, 665, 686, 760, 868, 931, 980, 1064, 1085, 1178, 1240, 1330, 1372, 1519, 1715, 1736, 1862, 1960, 2170, 2356, 2660, 2744, 2945, 3038, 3430, 3724, 4123, 4340, 4655, 4712, 5320, 5890, 6076, 6517, 6860, 7448, 7595, 8246, 8680, 9310, 10633, 11780, 12152, 13034, 13720, 15190, 16492, 18620, 20615, 21266, 23560, 26068, 28861, 30380, 32585, 32984, 37240, 41230, 42532, 52136, 53165, 57722, 60760, 65170, 82460, 85064, 106330, 115444, 130340, 144305, 164920, 202027, 212660, 230888, 260680, 288610, 404054, 425320, 577220, 808108, 1010135, 1154440, 1616216, 2020270, 4040540, 8081080]

約数ペア:

[(1, 8081080), (2, 4040540), (4, 2020270), (5, 1616216), (7, 1154440), (8, 1010135), (10, 808108), (14, 577220), (19, 425320), (20, 404054), (28, 288610), (31, 260680), (35, 230888), (38, 212660), (40, 202027), (49, 164920), (56, 144305), (62, 130340), (70, 115444), (76, 106330), (95, 85064), (98, 82460), (124, 65170), (133, 60760), (140, 57722), (152, 53165), (155, 52136), (190, 42532), (196, 41230), (217, 37240), (245, 32984), (248, 32585), (266, 30380), (280, 28861), (310, 26068), (343, 23560), (380, 21266), (392, 20615), (434, 18620), (490, 16492), (532, 15190), (589, 13720), (620, 13034), (665, 12152), (686, 11780), (760, 10633), (868, 9310), (931, 8680), (980, 8246), (1064, 7595), (1085, 7448), (1178, 6860), (1240, 6517), (1330, 6076), (1372, 5890), (1519, 5320), (1715, 4712), (1736, 4655), (1862, 4340), (1960, 4123), (2170, 3724), (2356, 3430), (2660, 3038), (2744, 2945)]