87871360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 224040960

約数和(自身を除く): 136169600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 103, 124, 128, 155, 160, 172, 206, 215, 248, 310, 320, 344, 412, 430, 496, 515, 620, 640, 688, 824, 860, 992, 1030, 1240, 1333, 1376, 1648, 1720, 1984, 2060, 2480, 2666, 2752, 3193, 3296, 3440, 3968, 4120, 4429, 4960, 5332, 5504, 6386, 6592, 6665, 6880, 8240, 8858, 9920, 10664, 12772, 13184, 13330, 13760, 15965, 16480, 17716, 19840, 21328, 22145, 25544, 26660, 27520, 31930, 32960, 35432, 42656, 44290, 51088, 53320, 63860, 65920, 70864, 85312, 88580, 102176, 106640, 127720, 137299, 141728, 170624, 177160, 204352, 213280, 255440, 274598, 283456, 354320, 408704, 426560, 510880, 549196, 566912, 686495, 708640, 853120, 1021760, 1098392, 1372990, 1417280, 2043520, 2196784, 2745980, 2834560, 4393568, 5491960, 8787136, 10983920, 17574272, 21967840, 43935680, 87871360]

約数ペア:

[(1, 87871360), (2, 43935680), (4, 21967840), (5, 17574272), (8, 10983920), (10, 8787136), (16, 5491960), (20, 4393568), (31, 2834560), (32, 2745980), (40, 2196784), (43, 2043520), (62, 1417280), (64, 1372990), (80, 1098392), (86, 1021760), (103, 853120), (124, 708640), (128, 686495), (155, 566912), (160, 549196), (172, 510880), (206, 426560), (215, 408704), (248, 354320), (310, 283456), (320, 274598), (344, 255440), (412, 213280), (430, 204352), (496, 177160), (515, 170624), (620, 141728), (640, 137299), (688, 127720), (824, 106640), (860, 102176), (992, 88580), (1030, 85312), (1240, 70864), (1333, 65920), (1376, 63860), (1648, 53320), (1720, 51088), (1984, 44290), (2060, 42656), (2480, 35432), (2666, 32960), (2752, 31930), (3193, 27520), (3296, 26660), (3440, 25544), (3968, 22145), (4120, 21328), (4429, 19840), (4960, 17716), (5332, 16480), (5504, 15965), (6386, 13760), (6592, 13330), (6665, 13184), (6880, 12772), (8240, 10664), (8858, 9920)]