87819280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2144

約数の個数: 80

約数和(自身を含む): 223271424

約数和(自身を除く): 135452144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2083, 2108, 2480, 2635, 4166, 4216, 5270, 8332, 8432, 10415, 10540, 16664, 20830, 21080, 33328, 35411, 41660, 42160, 64573, 70822, 83320, 129146, 141644, 166640, 177055, 258292, 283288, 322865, 354110, 516584, 566576, 645730, 708220, 1033168, 1097741, 1291460, 1416440, 2195482, 2582920, 2832880, 4390964, 5165840, 5488705, 8781928, 10977410, 17563856, 21954820, 43909640, 87819280]

約数ペア:

[(1, 87819280), (2, 43909640), (4, 21954820), (5, 17563856), (8, 10977410), (10, 8781928), (16, 5488705), (17, 5165840), (20, 4390964), (31, 2832880), (34, 2582920), (40, 2195482), (62, 1416440), (68, 1291460), (80, 1097741), (85, 1033168), (124, 708220), (136, 645730), (155, 566576), (170, 516584), (248, 354110), (272, 322865), (310, 283288), (340, 258292), (496, 177055), (527, 166640), (620, 141644), (680, 129146), (1054, 83320), (1240, 70822), (1360, 64573), (2083, 42160), (2108, 41660), (2480, 35411), (2635, 33328), (4166, 21080), (4216, 20830), (5270, 16664), (8332, 10540), (8432, 10415)]