64648640

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 224

約数和(自身を含む): 195072000

約数和(自身を除く): 130423360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 49, 56, 62, 64, 70, 76, 80, 95, 98, 112, 124, 133, 140, 152, 155, 160, 190, 196, 217, 224, 245, 248, 266, 280, 304, 310, 320, 343, 380, 392, 434, 448, 490, 496, 532, 560, 589, 608, 620, 665, 686, 760, 784, 868, 931, 980, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1372, 1519, 1520, 1568, 1715, 1736, 1862, 1960, 1984, 2128, 2170, 2240, 2356, 2480, 2660, 2744, 2945, 3038, 3040, 3136, 3430, 3472, 3724, 3920, 4123, 4256, 4340, 4655, 4712, 4960, 5320, 5488, 5890, 6076, 6080, 6517, 6860, 6944, 7448, 7595, 7840, 8246, 8512, 8680, 9310, 9424, 9920, 10633, 10640, 10976, 11780, 12152, 13034, 13720, 13888, 14896, 15190, 15680, 16492, 17360, 18620, 18848, 20615, 21266, 21280, 21952, 23560, 24304, 26068, 27440, 28861, 29792, 30380, 32585, 32984, 34720, 37240, 37696, 41230, 42532, 42560, 47120, 48608, 52136, 53165, 54880, 57722, 59584, 60760, 65170, 65968, 69440, 74480, 82460, 85064, 94240, 97216, 104272, 106330, 109760, 115444, 121520, 130340, 131936, 144305, 148960, 164920, 170128, 188480, 202027, 208544, 212660, 230888, 243040, 260680, 263872, 288610, 297920, 329840, 340256, 404054, 417088, 425320, 461776, 486080, 521360, 577220, 659680, 680512, 808108, 850640, 923552, 1010135, 1042720, 1154440, 1319360, 1616216, 1701280, 1847104, 2020270, 2085440, 2308880, 3232432, 3402560, 4040540, 4617760, 6464864, 8081080, 9235520, 12929728, 16162160, 32324320, 64648640]

約数ペア:

[(1, 64648640), (2, 32324320), (4, 16162160), (5, 12929728), (7, 9235520), (8, 8081080), (10, 6464864), (14, 4617760), (16, 4040540), (19, 3402560), (20, 3232432), (28, 2308880), (31, 2085440), (32, 2020270), (35, 1847104), (38, 1701280), (40, 1616216), (49, 1319360), (56, 1154440), (62, 1042720), (64, 1010135), (70, 923552), (76, 850640), (80, 808108), (95, 680512), (98, 659680), (112, 577220), (124, 521360), (133, 486080), (140, 461776), (152, 425320), (155, 417088), (160, 404054), (190, 340256), (196, 329840), (217, 297920), (224, 288610), (245, 263872), (248, 260680), (266, 243040), (280, 230888), (304, 212660), (310, 208544), (320, 202027), (343, 188480), (380, 170128), (392, 164920), (434, 148960), (448, 144305), (490, 131936), (496, 130340), (532, 121520), (560, 115444), (589, 109760), (608, 106330), (620, 104272), (665, 97216), (686, 94240), (760, 85064), (784, 82460), (868, 74480), (931, 69440), (980, 65968), (992, 65170), (1064, 60760), (1085, 59584), (1120, 57722), (1178, 54880), (1216, 53165), (1240, 52136), (1330, 48608), (1372, 47120), (1519, 42560), (1520, 42532), (1568, 41230), (1715, 37696), (1736, 37240), (1862, 34720), (1960, 32984), (1984, 32585), (2128, 30380), (2170, 29792), (2240, 28861), (2356, 27440), (2480, 26068), (2660, 24304), (2744, 23560), (2945, 21952), (3038, 21280), (3040, 21266), (3136, 20615), (3430, 18848), (3472, 18620), (3724, 17360), (3920, 16492), (4123, 15680), (4256, 15190), (4340, 14896), (4655, 13888), (4712, 13720), (4960, 13034), (5320, 12152), (5488, 11780), (5890, 10976), (6076, 10640), (6080, 10633), (6517, 9920), (6860, 9424), (6944, 9310), (7448, 8680), (7595, 8512), (7840, 8246)]