80810800

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 240

約数和(自身を含む): 246016000

約数和(自身を除く): 165205200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 31, 35, 38, 40, 49, 50, 56, 62, 70, 76, 80, 95, 98, 100, 112, 124, 133, 140, 152, 155, 175, 190, 196, 200, 217, 245, 248, 266, 280, 304, 310, 343, 350, 380, 392, 400, 434, 475, 490, 496, 532, 560, 589, 620, 665, 686, 700, 760, 775, 784, 868, 931, 950, 980, 1064, 1085, 1178, 1225, 1240, 1330, 1372, 1400, 1519, 1520, 1550, 1715, 1736, 1862, 1900, 1960, 2128, 2170, 2356, 2450, 2480, 2660, 2744, 2800, 2945, 3038, 3100, 3325, 3430, 3472, 3724, 3800, 3920, 4123, 4340, 4655, 4712, 4900, 5320, 5425, 5488, 5890, 6076, 6200, 6517, 6650, 6860, 7448, 7595, 7600, 8246, 8575, 8680, 9310, 9424, 9800, 10633, 10640, 10850, 11780, 12152, 12400, 13034, 13300, 13720, 14725, 14896, 15190, 16492, 17150, 17360, 18620, 19600, 20615, 21266, 21700, 23275, 23560, 24304, 26068, 26600, 27440, 28861, 29450, 30380, 32585, 32984, 34300, 37240, 37975, 41230, 42532, 43400, 46550, 47120, 52136, 53165, 53200, 57722, 58900, 60760, 65170, 65968, 68600, 74480, 75950, 82460, 85064, 86800, 93100, 103075, 104272, 106330, 115444, 117800, 121520, 130340, 137200, 144305, 151900, 162925, 164920, 170128, 186200, 202027, 206150, 212660, 230888, 235600, 260680, 265825, 288610, 303800, 325850, 329840, 372400, 404054, 412300, 425320, 461776, 521360, 531650, 577220, 607600, 651700, 721525, 808108, 824600, 850640, 1010135, 1063300, 1154440, 1303400, 1443050, 1616216, 1649200, 2020270, 2126600, 2308880, 2606800, 2886100, 3232432, 4040540, 4253200, 5050675, 5772200, 8081080, 10101350, 11544400, 16162160, 20202700, 40405400, 80810800]

約数ペア:

[(1, 80810800), (2, 40405400), (4, 20202700), (5, 16162160), (7, 11544400), (8, 10101350), (10, 8081080), (14, 5772200), (16, 5050675), (19, 4253200), (20, 4040540), (25, 3232432), (28, 2886100), (31, 2606800), (35, 2308880), (38, 2126600), (40, 2020270), (49, 1649200), (50, 1616216), (56, 1443050), (62, 1303400), (70, 1154440), (76, 1063300), (80, 1010135), (95, 850640), (98, 824600), (100, 808108), (112, 721525), (124, 651700), (133, 607600), (140, 577220), (152, 531650), (155, 521360), (175, 461776), (190, 425320), (196, 412300), (200, 404054), (217, 372400), (245, 329840), (248, 325850), (266, 303800), (280, 288610), (304, 265825), (310, 260680), (343, 235600), (350, 230888), (380, 212660), (392, 206150), (400, 202027), (434, 186200), (475, 170128), (490, 164920), (496, 162925), (532, 151900), (560, 144305), (589, 137200), (620, 130340), (665, 121520), (686, 117800), (700, 115444), (760, 106330), (775, 104272), (784, 103075), (868, 93100), (931, 86800), (950, 85064), (980, 82460), (1064, 75950), (1085, 74480), (1178, 68600), (1225, 65968), (1240, 65170), (1330, 60760), (1372, 58900), (1400, 57722), (1519, 53200), (1520, 53165), (1550, 52136), (1715, 47120), (1736, 46550), (1862, 43400), (1900, 42532), (1960, 41230), (2128, 37975), (2170, 37240), (2356, 34300), (2450, 32984), (2480, 32585), (2660, 30380), (2744, 29450), (2800, 28861), (2945, 27440), (3038, 26600), (3100, 26068), (3325, 24304), (3430, 23560), (3472, 23275), (3724, 21700), (3800, 21266), (3920, 20615), (4123, 19600), (4340, 18620), (4655, 17360), (4712, 17150), (4900, 16492), (5320, 15190), (5425, 14896), (5488, 14725), (5890, 13720), (6076, 13300), (6200, 13034), (6517, 12400), (6650, 12152), (6860, 11780), (7448, 10850), (7595, 10640), (7600, 10633), (8246, 9800), (8575, 9424), (8680, 9310)]