65556920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 176783040

約数和(自身を除く): 111226120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 73, 88, 104, 110, 130, 143, 146, 157, 220, 260, 286, 292, 314, 365, 440, 520, 572, 584, 628, 715, 730, 785, 803, 949, 1144, 1256, 1430, 1460, 1570, 1606, 1727, 1898, 2041, 2860, 2920, 3140, 3212, 3454, 3796, 4015, 4082, 4745, 5720, 6280, 6424, 6908, 7592, 8030, 8164, 8635, 9490, 10205, 10439, 11461, 13816, 16060, 16328, 17270, 18980, 20410, 20878, 22451, 22922, 32120, 34540, 37960, 40820, 41756, 44902, 45844, 52195, 57305, 69080, 81640, 83512, 89804, 91688, 104390, 112255, 114610, 126071, 148993, 179608, 208780, 224510, 229220, 252142, 297986, 417560, 449020, 458440, 504284, 595972, 630355, 744965, 898040, 1008568, 1191944, 1260710, 1489930, 1638923, 2521420, 2979860, 3277846, 5042840, 5959720, 6555692, 8194615, 13111384, 16389230, 32778460, 65556920]

約数ペア:

[(1, 65556920), (2, 32778460), (4, 16389230), (5, 13111384), (8, 8194615), (10, 6555692), (11, 5959720), (13, 5042840), (20, 3277846), (22, 2979860), (26, 2521420), (40, 1638923), (44, 1489930), (52, 1260710), (55, 1191944), (65, 1008568), (73, 898040), (88, 744965), (104, 630355), (110, 595972), (130, 504284), (143, 458440), (146, 449020), (157, 417560), (220, 297986), (260, 252142), (286, 229220), (292, 224510), (314, 208780), (365, 179608), (440, 148993), (520, 126071), (572, 114610), (584, 112255), (628, 104390), (715, 91688), (730, 89804), (785, 83512), (803, 81640), (949, 69080), (1144, 57305), (1256, 52195), (1430, 45844), (1460, 44902), (1570, 41756), (1606, 40820), (1727, 37960), (1898, 34540), (2041, 32120), (2860, 22922), (2920, 22451), (3140, 20878), (3212, 20410), (3454, 18980), (3796, 17270), (4015, 16328), (4082, 16060), (4745, 13816), (5720, 11461), (6280, 10439), (6424, 10205), (6908, 9490), (7592, 8635), (8030, 8164)]