87437920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 128112800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 71, 80, 86, 142, 160, 172, 179, 215, 284, 344, 355, 358, 430, 568, 688, 710, 716, 860, 895, 1136, 1376, 1420, 1432, 1720, 1790, 2272, 2840, 2864, 3053, 3440, 3580, 5680, 5728, 6106, 6880, 7160, 7697, 11360, 12212, 12709, 14320, 15265, 15394, 24424, 25418, 28640, 30530, 30788, 38485, 48848, 50836, 61060, 61576, 63545, 76970, 97696, 101672, 122120, 123152, 127090, 153940, 203344, 244240, 246304, 254180, 307880, 406688, 488480, 508360, 546487, 615760, 1016720, 1092974, 1231520, 2033440, 2185948, 2732435, 4371896, 5464870, 8743792, 10929740, 17487584, 21859480, 43718960, 87437920]

約数ペア:

[(1, 87437920), (2, 43718960), (4, 21859480), (5, 17487584), (8, 10929740), (10, 8743792), (16, 5464870), (20, 4371896), (32, 2732435), (40, 2185948), (43, 2033440), (71, 1231520), (80, 1092974), (86, 1016720), (142, 615760), (160, 546487), (172, 508360), (179, 488480), (215, 406688), (284, 307880), (344, 254180), (355, 246304), (358, 244240), (430, 203344), (568, 153940), (688, 127090), (710, 123152), (716, 122120), (860, 101672), (895, 97696), (1136, 76970), (1376, 63545), (1420, 61576), (1432, 61060), (1720, 50836), (1790, 48848), (2272, 38485), (2840, 30788), (2864, 30530), (3053, 28640), (3440, 25418), (3580, 24424), (5680, 15394), (5728, 15265), (6106, 14320), (6880, 12709), (7160, 12212), (7697, 11360)]