28061280

素因数分解:

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

素因数の和:1533

約数の個数: 144

約数和(自身を含む): 103194000

約数和(自身を除く): 75132720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1499, 1560, 1872, 2080, 2340, 2998, 3120, 3744, 4497, 4680, 5996, 6240, 7495, 8994, 9360, 11992, 13491, 14990, 17988, 18720, 19487, 22485, 23984, 26982, 29980, 35976, 38974, 44970, 47968, 53964, 58461, 59960, 67455, 71952, 77948, 89940, 97435, 107928, 116922, 119920, 134910, 143904, 155896, 175383, 179880, 194870, 215856, 233844, 239840, 269820, 292305, 311792, 350766, 359760, 389740, 431712, 467688, 539640, 584610, 623584, 701532, 719520, 779480, 876915, 935376, 1079280, 1169220, 1403064, 1558960, 1753830, 1870752, 2158560, 2338440, 2806128, 3117920, 3507660, 4676880, 5612256, 7015320, 9353760, 14030640, 28061280]

約数ペア:

[(1, 28061280), (2, 14030640), (3, 9353760), (4, 7015320), (5, 5612256), (6, 4676880), (8, 3507660), (9, 3117920), (10, 2806128), (12, 2338440), (13, 2158560), (15, 1870752), (16, 1753830), (18, 1558960), (20, 1403064), (24, 1169220), (26, 1079280), (30, 935376), (32, 876915), (36, 779480), (39, 719520), (40, 701532), (45, 623584), (48, 584610), (52, 539640), (60, 467688), (65, 431712), (72, 389740), (78, 359760), (80, 350766), (90, 311792), (96, 292305), (104, 269820), (117, 239840), (120, 233844), (130, 215856), (144, 194870), (156, 179880), (160, 175383), (180, 155896), (195, 143904), (208, 134910), (234, 119920), (240, 116922), (260, 107928), (288, 97435), (312, 89940), (360, 77948), (390, 71952), (416, 67455), (468, 59960), (480, 58461), (520, 53964), (585, 47968), (624, 44970), (720, 38974), (780, 35976), (936, 29980), (1040, 26982), (1170, 23984), (1248, 22485), (1440, 19487), (1499, 18720), (1560, 17988), (1872, 14990), (2080, 13491), (2340, 11992), (2998, 9360), (3120, 8994), (3744, 7495), (4497, 6240), (4680, 5996)]