21317088000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:126

約数の個数: 1152

約数和(自身を含む): 85710643200

約数和(自身を除く): 64393555200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 25, 26, 29, 30, 31, 32, 38, 39, 40, 48, 50, 52, 57, 58, 60, 62, 64, 65, 75, 76, 78, 80, 87, 93, 95, 96, 100, 104, 114, 116, 120, 124, 125, 128, 130, 145, 150, 152, 155, 156, 160, 174, 186, 190, 192, 195, 200, 208, 228, 232, 240, 247, 248, 250, 256, 260, 285, 290, 300, 304, 310, 312, 320, 325, 348, 372, 375, 377, 380, 384, 390, 400, 403, 416, 435, 456, 464, 465, 475, 480, 494, 496, 500, 520, 551, 570, 580, 589, 600, 608, 620, 624, 640, 650, 696, 725, 741, 744, 750, 754, 760, 768, 775, 780, 800, 806, 832, 870, 899, 912, 928, 930, 950, 960, 975, 988, 992, 1000, 1040, 1102, 1131, 1140, 1160, 1178, 1200, 1209, 1216, 1235, 1240, 1248, 1280, 1300, 1392, 1425, 1450, 1482, 1488, 1500, 1508, 1520, 1550, 1560, 1600, 1612, 1625, 1653, 1664, 1740, 1767, 1798, 1824, 1856, 1860, 1885, 1900, 1920, 1950, 1976, 1984, 2000, 2015, 2080, 2175, 2204, 2262, 2280, 2320, 2325, 2356, 2375, 2400, 2418, 2432, 2470, 2480, 2496, 2600, 2697, 2755, 2784, 2850, 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約数ペア:

[(1, 21317088000), (2, 10658544000), (3, 7105696000), (4, 5329272000), (5, 4263417600), (6, 3552848000), (8, 2664636000), (10, 2131708800), (12, 1776424000), (13, 1639776000), (15, 1421139200), (16, 1332318000), (19, 1121952000), (20, 1065854400), (24, 888212000), (25, 852683520), (26, 819888000), (29, 735072000), (30, 710569600), (31, 687648000), (32, 666159000), (38, 560976000), (39, 546592000), (40, 532927200), (48, 444106000), (50, 426341760), (52, 409944000), (57, 373984000), (58, 367536000), (60, 355284800), (62, 343824000), (64, 333079500), (65, 327955200), (75, 284227840), (76, 280488000), (78, 273296000), (80, 266463600), (87, 245024000), (93, 229216000), (95, 224390400), (96, 222053000), (100, 213170880), (104, 204972000), (114, 186992000), (116, 183768000), (120, 177642400), (124, 171912000), (125, 170536704), (128, 166539750), (130, 163977600), (145, 147014400), (150, 142113920), (152, 140244000), (155, 137529600), (156, 136648000), (160, 133231800), (174, 122512000), (186, 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