72639388.000000000

素因数分解:

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

素因数の和:1538

約数の個数: 224

約数和(自身を含む): 640080000

約数和(自身を除く): 471712320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1404, 1440, 1499, 1560, 1728, 1755, 1872, 2080, 2160, 2340, 2496, 2808, 2880, 2998, 3120, 3510, 3744, 4160, 4320, 4497, 4680, 5616, 5996, 6240, 7020, 7488, 7495, 8640, 8994, 9360, 11232, 11992, 12480, 13491, 14040, 14990, 17988, 18720, 19487, 22464, 22485, 23984, 26982, 28080, 29980, 35976, 37440, 38974, 40473, 44970, 47968, 53964, 56160, 58461, 59960, 67455, 71952, 77948, 80946, 89940, 95936, 97435, 107928, 112320, 116922, 119920, 134910, 143904, 155896, 161892, 175383, 179880, 194870, 202365, 215856, 233844, 239840, 269820, 287808, 292305, 311792, 323784, 350766, 359760, 389740, 404730, 431712, 467688, 479680, 526149, 539640, 584610, 623584, 647568, 701532, 719520, 779480, 809460, 863424, 876915, 935376, 1052298, 1079280, 1169220, 1247168, 1295136, 1403064, 1439040, 1558960, 1618920, 1753830, 1870752, 2104596, 2158560, 2338440, 2590272, 2630745, 2806128, 3117920, 3237840, 3507660, 3741504, 4209192, 4317120, 4676880, 5261490, 5612256, 6235840, 6475680, 7015320, 8418384, 9353760, 10522980, 11224512, 12951360, 14030640, 16836768, 18707520, 21045960, 28061280, 33673536, 42091920, 56122560, 84183840, 168367680]

約数ペア:

[(1, 168367680), (2, 84183840), (3, 56122560), (4, 42091920), (5, 33673536), (6, 28061280), (8, 21045960), (9, 18707520), (10, 16836768), (12, 14030640), (13, 12951360), (15, 11224512), (16, 10522980), (18, 9353760), (20, 8418384), (24, 7015320), (26, 6475680), (27, 6235840), (30, 5612256), (32, 5261490), (36, 4676880), (39, 4317120), (40, 4209192), (45, 3741504), (48, 3507660), (52, 3237840), (54, 3117920), (60, 2806128), (64, 2630745), (65, 2590272), (72, 2338440), (78, 2158560), (80, 2104596), (90, 1870752), (96, 1753830), (104, 1618920), (108, 1558960), (117, 1439040), (120, 1403064), (130, 1295136), (135, 1247168), (144, 1169220), (156, 1079280), (160, 1052298), (180, 935376), (192, 876915), (195, 863424), (208, 809460), (216, 779480), (234, 719520), (240, 701532), (260, 647568), (270, 623584), (288, 584610), (312, 539640), (320, 526149), (351, 479680), (360, 467688), (390, 431712), (416, 404730), (432, 389740), (468, 359760), (480, 350766), (520, 323784), (540, 311792), (576, 292305), (585, 287808), (624, 269820), (702, 239840), (720, 233844), (780, 215856), (832, 202365), (864, 194870), (936, 179880), (960, 175383), (1040, 161892), (1080, 155896), (1170, 143904), (1248, 134910), (1404, 119920), (1440, 116922), (1499, 112320), (1560, 107928), (1728, 97435), (1755, 95936), (1872, 89940), (2080, 80946), (2160, 77948), (2340, 71952), (2496, 67455), (2808, 59960), (2880, 58461), (2998, 56160), (3120, 53964), (3510, 47968), (3744, 44970), (4160, 40473), (4320, 38974), (4497, 37440), (4680, 35976), (5616, 29980), (5996, 28080), (6240, 26982), (7020, 23984), (7488, 22485), (7495, 22464), (8640, 19487), (8994, 18720), (9360, 17988), (11232, 14990), (11992, 14040), (12480, 13491)]