72740720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3041}}^1$

素因数の和:3090

約数の個数: 80

約数和(自身を含む): 190112832

約数和(自身を除く): 117372112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 3041, 4784, 5980, 6082, 11960, 12164, 15205, 23920, 24328, 30410, 39533, 48656, 60820, 69943, 79066, 121640, 139886, 158132, 197665, 243280, 279772, 316264, 349715, 395330, 559544, 632528, 699430, 790660, 909259, 1119088, 1398860, 1581320, 1818518, 2797720, 3162640, 3637036, 4546295, 5595440, 7274072, 9092590, 14548144, 18185180, 36370360, 72740720]

約数ペア:

[(1, 72740720), (2, 36370360), (4, 18185180), (5, 14548144), (8, 9092590), (10, 7274072), (13, 5595440), (16, 4546295), (20, 3637036), (23, 3162640), (26, 2797720), (40, 1818518), (46, 1581320), (52, 1398860), (65, 1119088), (80, 909259), (92, 790660), (104, 699430), (115, 632528), (130, 559544), (184, 395330), (208, 349715), (230, 316264), (260, 279772), (299, 243280), (368, 197665), (460, 158132), (520, 139886), (598, 121640), (920, 79066), (1040, 69943), (1196, 60820), (1495, 48656), (1840, 39533), (2392, 30410), (2990, 24328), (3041, 23920), (4784, 15205), (5980, 12164), (6082, 11960)]