18707520

素因数分解:

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

素因数の和:1532

約数の個数: 112

約数和(自身を含む): 64008000

約数和(自身を除く): 45300480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1499, 1560, 2080, 2496, 2998, 3120, 4160, 4497, 5996, 6240, 7495, 8994, 11992, 12480, 14990, 17988, 19487, 22485, 23984, 29980, 35976, 38974, 44970, 47968, 58461, 59960, 71952, 77948, 89940, 95936, 97435, 116922, 119920, 143904, 155896, 179880, 194870, 233844, 239840, 287808, 292305, 311792, 359760, 389740, 467688, 479680, 584610, 623584, 719520, 779480, 935376, 1169220, 1247168, 1439040, 1558960, 1870752, 2338440, 3117920, 3741504, 4676880, 6235840, 9353760, 18707520]

約数ペア:

[(1, 18707520), (2, 9353760), (3, 6235840), (4, 4676880), (5, 3741504), (6, 3117920), (8, 2338440), (10, 1870752), (12, 1558960), (13, 1439040), (15, 1247168), (16, 1169220), (20, 935376), (24, 779480), (26, 719520), (30, 623584), (32, 584610), (39, 479680), (40, 467688), (48, 389740), (52, 359760), (60, 311792), (64, 292305), (65, 287808), (78, 239840), (80, 233844), (96, 194870), (104, 179880), (120, 155896), (130, 143904), (156, 119920), (160, 116922), (192, 97435), (195, 95936), (208, 89940), (240, 77948), (260, 71952), (312, 59960), (320, 58461), (390, 47968), (416, 44970), (480, 38974), (520, 35976), (624, 29980), (780, 23984), (832, 22485), (960, 19487), (1040, 17988), (1248, 14990), (1499, 12480), (1560, 11992), (2080, 8994), (2496, 7495), (2998, 6240), (3120, 5996), (4160, 4497)]