1640121600

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6571}}^1$

素因数の和:6613

約数の個数: 216

約数和(自身を含む): 5829994912

約数和(自身を除く): 4189873312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 256, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 520, 600, 624, 640, 650, 768, 780, 800, 832, 960, 975, 1040, 1200, 1248, 1280, 1300, 1560, 1600, 1664, 1920, 1950, 2080, 2400, 2496, 2600, 3120, 3200, 3328, 3840, 3900, 4160, 4800, 4992, 5200, 6240, 6400, 6571, 7800, 8320, 9600, 9984, 10400, 12480, 13142, 15600, 16640, 19200, 19713, 20800, 24960, 26284, 31200, 32855, 39426, 41600, 49920, 52568, 62400, 65710, 78852, 83200, 85423, 98565, 105136, 124800, 131420, 157704, 164275, 170846, 197130, 210272, 249600, 256269, 262840, 315408, 328550, 341692, 394260, 420544, 427115, 492825, 512538, 525680, 630816, 657100, 683384, 788520, 841088, 854230, 985650, 1025076, 1051360, 1261632, 1281345, 1314200, 1366768, 1577040, 1682176, 1708460, 1971300, 2050152, 2102720, 2135575, 2523264, 2562690, 2628400, 2733536, 3154080, 3416920, 3942600, 4100304, 4205440, 4271150, 5046528, 5125380, 5256800, 5467072, 6308160, 6406725, 6833840, 7885200, 8200608, 8410880, 8542300, 10250760, 10513600, 10934144, 12616320, 12813450, 13667680, 15770400, 16401216, 17084600, 20501520, 21027200, 21868288, 25232640, 25626900, 27335360, 31540800, 32802432, 34169200, 41003040, 42054400, 51253800, 54670720, 63081600, 65604864, 68338400, 82006080, 102507600, 109341440, 126163200, 136676800, 164012160, 205015200, 273353600, 328024320, 410030400, 546707200, 820060800, 1640121600]

約数ペア:

[(1, 1640121600), (2, 820060800), (3, 546707200), (4, 410030400), (5, 328024320), (6, 273353600), (8, 205015200), (10, 164012160), (12, 136676800), (13, 126163200), (15, 109341440), (16, 102507600), (20, 82006080), (24, 68338400), (25, 65604864), (26, 63081600), (30, 54670720), (32, 51253800), (39, 42054400), (40, 41003040), (48, 34169200), (50, 32802432), (52, 31540800), (60, 27335360), (64, 25626900), (65, 25232640), (75, 21868288), (78, 21027200), (80, 20501520), (96, 17084600), (100, 16401216), (104, 15770400), (120, 13667680), (128, 12813450), (130, 12616320), (150, 10934144), (156, 10513600), (160, 10250760), (192, 8542300), (195, 8410880), (200, 8200608), (208, 7885200), (240, 6833840), (256, 6406725), (260, 6308160), (300, 5467072), (312, 5256800), (320, 5125380), (325, 5046528), (384, 4271150), (390, 4205440), (400, 4100304), (416, 3942600), (480, 3416920), (520, 3154080), (600, 2733536), (624, 2628400), (640, 2562690), (650, 2523264), (768, 2135575), (780, 2102720), (800, 2050152), (832, 1971300), (960, 1708460), (975, 1682176), (1040, 1577040), (1200, 1366768), (1248, 1314200), (1280, 1281345), (1300, 1261632), (1560, 1051360), (1600, 1025076), (1664, 985650), (1920, 854230), (1950, 841088), (2080, 788520), (2400, 683384), (2496, 657100), (2600, 630816), (3120, 525680), (3200, 512538), (3328, 492825), (3840, 427115), (3900, 420544), (4160, 394260), (4800, 341692), (4992, 328550), (5200, 315408), (6240, 262840), (6400, 256269), (6571, 249600), (7800, 210272), (8320, 197130), (9600, 170846), (9984, 164275), (10400, 157704), (12480, 131420), (13142, 124800), (15600, 105136), (16640, 98565), (19200, 85423), (19713, 83200), (20800, 78852), (24960, 65710), (26284, 62400), (31200, 52568), (32855, 49920), (39426, 41600)]