67856640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 222518016

約数和(自身を除く): 154661376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 431, 480, 492, 615, 640, 656, 768, 820, 862, 960, 984, 1230, 1280, 1293, 1312, 1640, 1724, 1920, 1968, 2155, 2460, 2586, 2624, 3280, 3448, 3840, 3936, 4310, 4920, 5172, 5248, 6465, 6560, 6896, 7872, 8620, 9840, 10344, 10496, 12930, 13120, 13792, 15744, 17240, 17671, 19680, 20688, 25860, 26240, 27584, 31488, 34480, 35342, 39360, 41376, 51720, 52480, 53013, 55168, 68960, 70684, 78720, 82752, 88355, 103440, 106026, 110336, 137920, 141368, 157440, 165504, 176710, 206880, 212052, 265065, 275840, 282736, 331008, 353420, 413760, 424104, 530130, 551680, 565472, 706840, 827520, 848208, 1060260, 1130944, 1413680, 1655040, 1696416, 2120520, 2261888, 2827360, 3392832, 4241040, 4523776, 5654720, 6785664, 8482080, 11309440, 13571328, 16964160, 22618880, 33928320, 67856640]

約数ペア:

[(1, 67856640), (2, 33928320), (3, 22618880), (4, 16964160), (5, 13571328), (6, 11309440), (8, 8482080), (10, 6785664), (12, 5654720), (15, 4523776), (16, 4241040), (20, 3392832), (24, 2827360), (30, 2261888), (32, 2120520), (40, 1696416), (41, 1655040), (48, 1413680), (60, 1130944), (64, 1060260), (80, 848208), (82, 827520), (96, 706840), (120, 565472), (123, 551680), (128, 530130), (160, 424104), (164, 413760), (192, 353420), (205, 331008), (240, 282736), (246, 275840), (256, 265065), (320, 212052), (328, 206880), (384, 176710), (410, 165504), (431, 157440), (480, 141368), (492, 137920), (615, 110336), (640, 106026), (656, 103440), (768, 88355), (820, 82752), (862, 78720), (960, 70684), (984, 68960), (1230, 55168), (1280, 53013), (1293, 52480), (1312, 51720), (1640, 41376), (1724, 39360), (1920, 35342), (1968, 34480), (2155, 31488), (2460, 27584), (2586, 26240), (2624, 25860), (3280, 20688), (3448, 19680), (3840, 17671), (3936, 17240), (4310, 15744), (4920, 13792), (5172, 13120), (5248, 12930), (6465, 10496), (6560, 10344), (6896, 9840), (7872, 8620)]