81208860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 240468480

約数和(自身を除く): 159259620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 83, 92, 115, 138, 166, 230, 249, 276, 332, 345, 415, 460, 498, 690, 709, 830, 996, 1245, 1380, 1418, 1660, 1909, 2127, 2490, 2836, 3545, 3818, 4254, 4980, 5727, 7090, 7636, 8508, 9545, 10635, 11454, 14180, 16307, 19090, 21270, 22908, 28635, 32614, 38180, 42540, 48921, 57270, 58847, 65228, 81535, 97842, 114540, 117694, 163070, 176541, 195684, 235388, 244605, 294235, 326140, 353082, 489210, 588470, 706164, 882705, 978420, 1176940, 1353481, 1765410, 2706962, 3530820, 4060443, 5413924, 6767405, 8120886, 13534810, 16241772, 20302215, 27069620, 40604430, 81208860]

約数ペア:

[(1, 81208860), (2, 40604430), (3, 27069620), (4, 20302215), (5, 16241772), (6, 13534810), (10, 8120886), (12, 6767405), (15, 5413924), (20, 4060443), (23, 3530820), (30, 2706962), (46, 1765410), (60, 1353481), (69, 1176940), (83, 978420), (92, 882705), (115, 706164), (138, 588470), (166, 489210), (230, 353082), (249, 326140), (276, 294235), (332, 244605), (345, 235388), (415, 195684), (460, 176541), (498, 163070), (690, 117694), (709, 114540), (830, 97842), (996, 81535), (1245, 65228), (1380, 58847), (1418, 57270), (1660, 48921), (1909, 42540), (2127, 38180), (2490, 32614), (2836, 28635), (3545, 22908), (3818, 21270), (4254, 19090), (4980, 16307), (5727, 14180), (7090, 11454), (7636, 10635), (8508, 9545)]