87343880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 226195200

約数和(自身を除く): 138851320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 67, 92, 104, 109, 115, 130, 134, 184, 218, 230, 260, 268, 299, 335, 436, 460, 520, 536, 545, 598, 670, 871, 872, 920, 1090, 1196, 1340, 1417, 1495, 1541, 1742, 2180, 2392, 2507, 2680, 2834, 2990, 3082, 3484, 4355, 4360, 5014, 5668, 5980, 6164, 6968, 7085, 7303, 7705, 8710, 10028, 11336, 11960, 12328, 12535, 14170, 14606, 15410, 17420, 20033, 20056, 25070, 28340, 29212, 30820, 32591, 34840, 36515, 40066, 50140, 56680, 58424, 61640, 65182, 73030, 80132, 94939, 100165, 100280, 130364, 146060, 160264, 162955, 167969, 189878, 200330, 260728, 292120, 325910, 335938, 379756, 400660, 474695, 651820, 671876, 759512, 801320, 839845, 949390, 1303640, 1343752, 1679690, 1898780, 2183597, 3359380, 3797560, 4367194, 6718760, 8734388, 10917985, 17468776, 21835970, 43671940, 87343880]

約数ペア:

[(1, 87343880), (2, 43671940), (4, 21835970), (5, 17468776), (8, 10917985), (10, 8734388), (13, 6718760), (20, 4367194), (23, 3797560), (26, 3359380), (40, 2183597), (46, 1898780), (52, 1679690), (65, 1343752), (67, 1303640), (92, 949390), (104, 839845), (109, 801320), (115, 759512), (130, 671876), (134, 651820), (184, 474695), (218, 400660), (230, 379756), (260, 335938), (268, 325910), (299, 292120), (335, 260728), (436, 200330), (460, 189878), (520, 167969), (536, 162955), (545, 160264), (598, 146060), (670, 130364), (871, 100280), (872, 100165), (920, 94939), (1090, 80132), (1196, 73030), (1340, 65182), (1417, 61640), (1495, 58424), (1541, 56680), (1742, 50140), (2180, 40066), (2392, 36515), (2507, 34840), (2680, 32591), (2834, 30820), (2990, 29212), (3082, 28340), (3484, 25070), (4355, 20056), (4360, 20033), (5014, 17420), (5668, 15410), (5980, 14606), (6164, 14170), (6968, 12535), (7085, 12328), (7303, 11960), (7705, 11336), (8710, 10028)]