81916320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1262

約数の個数: 96

約数和(自身を含む): 259918848

約数和(自身を除く): 178002528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 157, 160, 240, 314, 471, 480, 628, 785, 942, 1087, 1256, 1570, 1884, 2174, 2355, 2512, 3140, 3261, 3768, 4348, 4710, 5024, 5435, 6280, 6522, 7536, 8696, 9420, 10870, 12560, 13044, 15072, 16305, 17392, 18840, 21740, 25120, 26088, 32610, 34784, 37680, 43480, 52176, 65220, 75360, 86960, 104352, 130440, 170659, 173920, 260880, 341318, 511977, 521760, 682636, 853295, 1023954, 1365272, 1706590, 2047908, 2559885, 2730544, 3413180, 4095816, 5119770, 5461088, 6826360, 8191632, 10239540, 13652720, 16383264, 20479080, 27305440, 40958160, 81916320]

約数ペア:

[(1, 81916320), (2, 40958160), (3, 27305440), (4, 20479080), (5, 16383264), (6, 13652720), (8, 10239540), (10, 8191632), (12, 6826360), (15, 5461088), (16, 5119770), (20, 4095816), (24, 3413180), (30, 2730544), (32, 2559885), (40, 2047908), (48, 1706590), (60, 1365272), (80, 1023954), (96, 853295), (120, 682636), (157, 521760), (160, 511977), (240, 341318), (314, 260880), (471, 173920), (480, 170659), (628, 130440), (785, 104352), (942, 86960), (1087, 75360), (1256, 65220), (1570, 52176), (1884, 43480), (2174, 37680), (2355, 34784), (2512, 32610), (3140, 26088), (3261, 25120), (3768, 21740), (4348, 18840), (4710, 17392), (5024, 16305), (5435, 15072), (6280, 13044), (6522, 12560), (7536, 10870), (8696, 9420)]