280612800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1540

約数の個数: 252

約数和(自身を含む): 1074801000

約数和(自身を除く): 794188200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 64, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 180, 192, 195, 200, 208, 225, 234, 240, 260, 288, 300, 312, 320, 325, 360, 390, 400, 416, 450, 468, 480, 520, 576, 585, 600, 624, 650, 720, 780, 800, 832, 900, 936, 960, 975, 1040, 1170, 1200, 1248, 1300, 1440, 1499, 1560, 1600, 1800, 1872, 1950, 2080, 2340, 2400, 2496, 2600, 2880, 2925, 2998, 3120, 3600, 3744, 3900, 4160, 4497, 4680, 4800, 5200, 5850, 5996, 6240, 7200, 7488, 7495, 7800, 8994, 9360, 10400, 11700, 11992, 12480, 13491, 14400, 14990, 15600, 17988, 18720, 19487, 20800, 22485, 23400, 23984, 26982, 29980, 31200, 35976, 37440, 37475, 38974, 44970, 46800, 47968, 53964, 58461, 59960, 62400, 67455, 71952, 74950, 77948, 89940, 93600, 95936, 97435, 107928, 112425, 116922, 119920, 134910, 143904, 149900, 155896, 175383, 179880, 187200, 194870, 215856, 224850, 233844, 239840, 269820, 287808, 292305, 299800, 311792, 337275, 350766, 359760, 389740, 431712, 449700, 467688, 479680, 487175, 539640, 584610, 599600, 623584, 674550, 701532, 719520, 779480, 863424, 876915, 899400, 935376, 974350, 1079280, 1169220, 1199200, 1247168, 1349100, 1403064, 1439040, 1461525, 1558960, 1753830, 1798800, 1870752, 1948700, 2158560, 2338440, 2398400, 2698200, 2806128, 2923050, 3117920, 3507660, 3597600, 3741504, 3897400, 4317120, 4384575, 4676880, 5396400, 5612256, 5846100, 6235840, 7015320, 7195200, 7794800, 8769150, 9353760, 10792800, 11224512, 11692200, 14030640, 15589600, 17538300, 18707520, 21585600, 23384400, 28061280, 31179200, 35076600, 46768800, 56122560, 70153200, 93537600, 140306400, 280612800]

約数ペア:

[(1, 280612800), (2, 140306400), (3, 93537600), (4, 70153200), (5, 56122560), (6, 46768800), (8, 35076600), (9, 31179200), (10, 28061280), (12, 23384400), (13, 21585600), (15, 18707520), (16, 17538300), (18, 15589600), (20, 14030640), (24, 11692200), (25, 11224512), (26, 10792800), (30, 9353760), (32, 8769150), (36, 7794800), (39, 7195200), (40, 7015320), (45, 6235840), (48, 5846100), (50, 5612256), (52, 5396400), (60, 4676880), (64, 4384575), (65, 4317120), (72, 3897400), (75, 3741504), (78, 3597600), (80, 3507660), (90, 3117920), (96, 2923050), (100, 2806128), (104, 2698200), (117, 2398400), (120, 2338440), (130, 2158560), (144, 1948700), (150, 1870752), (156, 1798800), (160, 1753830), (180, 1558960), (192, 1461525), (195, 1439040), (200, 1403064), (208, 1349100), (225, 1247168), (234, 1199200), (240, 1169220), (260, 1079280), (288, 974350), (300, 935376), (312, 899400), (320, 876915), (325, 863424), (360, 779480), (390, 719520), (400, 701532), (416, 674550), (450, 623584), (468, 599600), (480, 584610), (520, 539640), (576, 487175), (585, 479680), (600, 467688), (624, 449700), (650, 431712), (720, 389740), (780, 359760), (800, 350766), (832, 337275), (900, 311792), (936, 299800), (960, 292305), (975, 287808), (1040, 269820), (1170, 239840), (1200, 233844), (1248, 224850), (1300, 215856), (1440, 194870), (1499, 187200), (1560, 179880), (1600, 175383), (1800, 155896), (1872, 149900), (1950, 143904), (2080, 134910), (2340, 119920), (2400, 116922), (2496, 112425), (2600, 107928), (2880, 97435), (2925, 95936), (2998, 93600), (3120, 89940), (3600, 77948), (3744, 74950), (3900, 71952), (4160, 67455), (4497, 62400), (4680, 59960), (4800, 58461), (5200, 53964), (5850, 47968), (5996, 46800), (6240, 44970), (7200, 38974), (7488, 37475), (7495, 37440), (7800, 35976), (8994, 31200), (9360, 29980), (10400, 26982), (11700, 23984), (11992, 23400), (12480, 22485), (13491, 20800), (14400, 19487), (14990, 18720), (15600, 17988)]