1302286720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:481

約数の個数: 192

約数和(自身を含む): 3660726960

約数和(自身を除く): 2358440240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 131, 140, 160, 196, 224, 245, 262, 280, 317, 320, 392, 448, 490, 524, 560, 634, 640, 655, 784, 896, 917, 980, 1048, 1120, 1268, 1310, 1568, 1585, 1834, 1960, 2096, 2219, 2240, 2536, 2620, 3136, 3170, 3668, 3920, 4192, 4438, 4480, 4585, 5072, 5240, 6272, 6340, 6419, 7336, 7840, 8384, 8876, 9170, 10144, 10480, 11095, 12680, 12838, 14672, 15533, 15680, 16768, 17752, 18340, 20288, 20960, 22190, 25360, 25676, 29344, 31066, 31360, 32095, 35504, 36680, 40576, 41527, 41920, 44380, 50720, 51352, 58688, 62132, 64190, 71008, 73360, 77665, 83054, 83840, 88760, 101440, 102704, 117376, 124264, 128380, 142016, 146720, 155330, 166108, 177520, 202880, 205408, 207635, 248528, 256760, 284032, 290689, 293440, 310660, 332216, 355040, 410816, 415270, 497056, 513520, 581378, 586880, 621320, 664432, 710080, 821632, 830540, 994112, 1027040, 1162756, 1242640, 1328864, 1420160, 1453445, 1661080, 1988224, 2034823, 2054080, 2325512, 2485280, 2657728, 2906890, 3322160, 4069646, 4108160, 4651024, 4970560, 5315456, 5813780, 6644320, 8139292, 9302048, 9941120, 10174115, 11627560, 13288640, 16278584, 18604096, 20348230, 23255120, 26577280, 32557168, 37208192, 40696460, 46510240, 65114336, 81392920, 93020480, 130228672, 162785840, 186040960, 260457344, 325571680, 651143360, 1302286720]

約数ペア:

[(1, 1302286720), (2, 651143360), (4, 325571680), (5, 260457344), (7, 186040960), (8, 162785840), (10, 130228672), (14, 93020480), (16, 81392920), (20, 65114336), (28, 46510240), (32, 40696460), (35, 37208192), (40, 32557168), (49, 26577280), (56, 23255120), (64, 20348230), (70, 18604096), (80, 16278584), (98, 13288640), (112, 11627560), (128, 10174115), (131, 9941120), (140, 9302048), (160, 8139292), (196, 6644320), (224, 5813780), (245, 5315456), (262, 4970560), (280, 4651024), (317, 4108160), (320, 4069646), (392, 3322160), (448, 2906890), (490, 2657728), (524, 2485280), (560, 2325512), (634, 2054080), (640, 2034823), (655, 1988224), (784, 1661080), (896, 1453445), (917, 1420160), (980, 1328864), (1048, 1242640), (1120, 1162756), (1268, 1027040), (1310, 994112), (1568, 830540), (1585, 821632), (1834, 710080), (1960, 664432), (2096, 621320), (2219, 586880), (2240, 581378), (2536, 513520), (2620, 497056), (3136, 415270), (3170, 410816), (3668, 355040), (3920, 332216), (4192, 310660), (4438, 293440), (4480, 290689), (4585, 284032), (5072, 256760), (5240, 248528), (6272, 207635), (6340, 205408), (6419, 202880), (7336, 177520), (7840, 166108), (8384, 155330), (8876, 146720), (9170, 142016), (10144, 128380), (10480, 124264), (11095, 117376), (12680, 102704), (12838, 101440), (14672, 88760), (15533, 83840), (15680, 83054), (16768, 77665), (17752, 73360), (18340, 71008), (20288, 64190), (20960, 62132), (22190, 58688), (25360, 51352), (25676, 50720), (29344, 44380), (31066, 41920), (31360, 41527), (32095, 40576), (35504, 36680)]