20156765440

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1554

約数の個数: 288

約数和(自身を含む): 58160793600

約数和(自身を除く): 38004028160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 256, 280, 310, 320, 343, 392, 434, 448, 490, 496, 560, 620, 640, 686, 784, 868, 896, 980, 992, 1085, 1120, 1240, 1280, 1372, 1481, 1519, 1568, 1715, 1736, 1792, 1960, 1984, 2170, 2240, 2480, 2744, 2962, 3038, 3136, 3430, 3472, 3920, 3968, 4340, 4480, 4960, 5488, 5924, 6076, 6272, 6860, 6944, 7405, 7595, 7840, 7936, 8680, 8960, 9920, 10367, 10633, 10976, 11848, 12152, 12544, 13720, 13888, 14810, 15190, 15680, 17360, 19840, 20734, 21266, 21952, 23696, 24304, 27440, 27776, 29620, 30380, 31360, 34720, 39680, 41468, 42532, 43904, 45911, 47392, 48608, 51835, 53165, 54880, 55552, 59240, 60760, 62720, 69440, 72569, 82936, 85064, 87808, 91822, 94784, 97216, 103670, 106330, 109760, 118480, 121520, 138880, 145138, 165872, 170128, 183644, 189568, 194432, 207340, 212660, 219520, 229555, 236960, 243040, 277760, 290276, 321377, 331744, 340256, 362845, 367288, 379136, 388864, 414680, 425320, 439040, 459110, 473920, 486080, 507983, 580552, 642754, 663488, 680512, 725690, 734576, 829360, 850640, 918220, 947840, 972160, 1015966, 1161104, 1285508, 1326976, 1361024, 1451380, 1469152, 1606885, 1658720, 1701280, 1836440, 1895680, 1944320, 2031932, 2249639, 2322208, 2539915, 2571016, 2653952, 2722048, 2902760, 2938304, 3213770, 3317440, 3402560, 3672880, 4063864, 4499278, 4644416, 5079830, 5142032, 5805520, 5876608, 6427540, 6634880, 6805120, 7345760, 8127728, 8998556, 9288832, 10159660, 10284064, 11248195, 11611040, 11753216, 12855080, 13269760, 13610240, 14691520, 15747473, 16255456, 17997112, 18577664, 20319320, 20568128, 22496390, 23222080, 25710160, 29383040, 31494946, 32510912, 35994224, 40638640, 41136256, 44992780, 46444160, 51420320, 58766080, 62989892, 65021824, 71988448, 78737365, 81277280, 82272512, 89985560, 92888320, 102840640, 125979784, 130043648, 143976896, 157474730, 162554560, 179971120, 205681280, 251959568, 287953792, 314949460, 325109120, 359942240, 411362560, 503919136, 575907584, 629898920, 650218240, 719884480, 1007838272, 1259797840, 1439768960, 2015676544, 2519595680, 2879537920, 4031353088, 5039191360, 10078382720, 20156765440]

約数ペア:

[(1, 20156765440), (2, 10078382720), (4, 5039191360), (5, 4031353088), (7, 2879537920), (8, 2519595680), (10, 2015676544), (14, 1439768960), (16, 1259797840), (20, 1007838272), (28, 719884480), (31, 650218240), (32, 629898920), (35, 575907584), (40, 503919136), (49, 411362560), (56, 359942240), (62, 325109120), (64, 314949460), (70, 287953792), (80, 251959568), (98, 205681280), (112, 179971120), (124, 162554560), (128, 157474730), (140, 143976896), (155, 130043648), (160, 125979784), (196, 102840640), (217, 92888320), (224, 89985560), (245, 82272512), (248, 81277280), (256, 78737365), (280, 71988448), (310, 65021824), (320, 62989892), (343, 58766080), (392, 51420320), (434, 46444160), (448, 44992780), (490, 41136256), (496, 40638640), (560, 35994224), (620, 32510912), (640, 31494946), (686, 29383040), (784, 25710160), (868, 23222080), (896, 22496390), (980, 20568128), (992, 20319320), (1085, 18577664), (1120, 17997112), (1240, 16255456), (1280, 15747473), (1372, 14691520), (1481, 13610240), (1519, 13269760), (1568, 12855080), (1715, 11753216), (1736, 11611040), (1792, 11248195), (1960, 10284064), (1984, 10159660), (2170, 9288832), (2240, 8998556), (2480, 8127728), (2744, 7345760), (2962, 6805120), (3038, 6634880), (3136, 6427540), (3430, 5876608), (3472, 5805520), (3920, 5142032), (3968, 5079830), (4340, 4644416), (4480, 4499278), (4960, 4063864), (5488, 3672880), (5924, 3402560), (6076, 3317440), (6272, 3213770), (6860, 2938304), (6944, 2902760), (7405, 2722048), (7595, 2653952), (7840, 2571016), (7936, 2539915), (8680, 2322208), (8960, 2249639), (9920, 2031932), (10367, 1944320), (10633, 1895680), (10976, 1836440), (11848, 1701280), (12152, 1658720), (12544, 1606885), (13720, 1469152), (13888, 1451380), (14810, 1361024), (15190, 1326976), (15680, 1285508), (17360, 1161104), (19840, 1015966), (20734, 972160), (21266, 947840), (21952, 918220), (23696, 850640), (24304, 829360), (27440, 734576), (27776, 725690), (29620, 680512), (30380, 663488), (31360, 642754), (34720, 580552), (39680, 507983), (41468, 486080), (42532, 473920), (43904, 459110), (45911, 439040), (47392, 425320), (48608, 414680), (51835, 388864), (53165, 379136), (54880, 367288), (55552, 362845), (59240, 340256), (60760, 331744), (62720, 321377), (69440, 290276), (72569, 277760), (82936, 243040), (85064, 236960), (87808, 229555), (91822, 219520), (94784, 212660), (97216, 207340), (103670, 194432), (106330, 189568), (109760, 183644), (118480, 170128), (121520, 165872), (138880, 145138)]