80930720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 214992792

約数和(自身を除く): 134062072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 73, 80, 82, 104, 130, 146, 160, 164, 169, 205, 208, 260, 292, 328, 338, 365, 410, 416, 520, 533, 584, 656, 676, 730, 820, 845, 949, 1040, 1066, 1168, 1312, 1352, 1460, 1640, 1690, 1898, 2080, 2132, 2336, 2665, 2704, 2920, 2993, 3280, 3380, 3796, 4264, 4745, 5330, 5408, 5840, 5986, 6560, 6760, 6929, 7592, 8528, 9490, 10660, 11680, 11972, 12337, 13520, 13858, 14965, 15184, 17056, 18980, 21320, 23944, 24674, 27040, 27716, 29930, 30368, 34645, 37960, 38909, 42640, 47888, 49348, 55432, 59860, 61685, 69290, 75920, 77818, 85280, 95776, 98696, 110864, 119720, 123370, 138580, 151840, 155636, 194545, 197392, 221728, 239440, 246740, 277160, 311272, 389090, 394784, 478880, 493480, 505817, 554320, 622544, 778180, 986960, 1011634, 1108640, 1245088, 1556360, 1973920, 2023268, 2529085, 3112720, 4046536, 5058170, 6225440, 8093072, 10116340, 16186144, 20232680, 40465360, 80930720]

約数ペア:

[(1, 80930720), (2, 40465360), (4, 20232680), (5, 16186144), (8, 10116340), (10, 8093072), (13, 6225440), (16, 5058170), (20, 4046536), (26, 3112720), (32, 2529085), (40, 2023268), (41, 1973920), (52, 1556360), (65, 1245088), (73, 1108640), (80, 1011634), (82, 986960), (104, 778180), (130, 622544), (146, 554320), (160, 505817), (164, 493480), (169, 478880), (205, 394784), (208, 389090), (260, 311272), (292, 277160), (328, 246740), (338, 239440), (365, 221728), (410, 197392), (416, 194545), (520, 155636), (533, 151840), (584, 138580), (656, 123370), (676, 119720), (730, 110864), (820, 98696), (845, 95776), (949, 85280), (1040, 77818), (1066, 75920), (1168, 69290), (1312, 61685), (1352, 59860), (1460, 55432), (1640, 49348), (1690, 47888), (1898, 42640), (2080, 38909), (2132, 37960), (2336, 34645), (2665, 30368), (2704, 29930), (2920, 27716), (2993, 27040), (3280, 24674), (3380, 23944), (3796, 21320), (4264, 18980), (4745, 17056), (5330, 15184), (5408, 14965), (5840, 13858), (5986, 13520), (6560, 12337), (6760, 11972), (6929, 11680), (7592, 10660), (8528, 9490)]