205106640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:621

約数の個数: 160

約数和(自身を含む): 673885440

約数和(自身を除く): 468778800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 73, 80, 92, 115, 120, 138, 146, 184, 219, 230, 240, 276, 292, 345, 365, 368, 438, 460, 509, 552, 584, 690, 730, 876, 920, 1018, 1095, 1104, 1168, 1380, 1460, 1527, 1679, 1752, 1840, 2036, 2190, 2545, 2760, 2920, 3054, 3358, 3504, 4072, 4380, 5037, 5090, 5520, 5840, 6108, 6716, 7635, 8144, 8395, 8760, 10074, 10180, 11707, 12216, 13432, 15270, 16790, 17520, 20148, 20360, 23414, 24432, 25185, 26864, 30540, 33580, 35121, 37157, 40296, 40720, 46828, 50370, 58535, 61080, 67160, 70242, 74314, 80592, 93656, 100740, 111471, 117070, 122160, 134320, 140484, 148628, 175605, 185785, 187312, 201480, 222942, 234140, 280968, 297256, 351210, 371570, 402960, 445884, 468280, 557355, 561936, 594512, 702420, 743140, 854611, 891768, 936560, 1114710, 1404840, 1486280, 1709222, 1783536, 2229420, 2563833, 2809680, 2972560, 3418444, 4273055, 4458840, 5127666, 6836888, 8546110, 8917680, 10255332, 12819165, 13673776, 17092220, 20510664, 25638330, 34184440, 41021328, 51276660, 68368880, 102553320, 205106640]

約数ペア:

[(1, 205106640), (2, 102553320), (3, 68368880), (4, 51276660), (5, 41021328), (6, 34184440), (8, 25638330), (10, 20510664), (12, 17092220), (15, 13673776), (16, 12819165), (20, 10255332), (23, 8917680), (24, 8546110), (30, 6836888), (40, 5127666), (46, 4458840), (48, 4273055), (60, 3418444), (69, 2972560), (73, 2809680), (80, 2563833), (92, 2229420), (115, 1783536), (120, 1709222), (138, 1486280), (146, 1404840), (184, 1114710), (219, 936560), (230, 891768), (240, 854611), (276, 743140), (292, 702420), (345, 594512), (365, 561936), (368, 557355), (438, 468280), (460, 445884), (509, 402960), (552, 371570), (584, 351210), (690, 297256), (730, 280968), (876, 234140), (920, 222942), (1018, 201480), (1095, 187312), (1104, 185785), (1168, 175605), (1380, 148628), (1460, 140484), (1527, 134320), (1679, 122160), (1752, 117070), (1840, 111471), (2036, 100740), (2190, 93656), (2545, 80592), (2760, 74314), (2920, 70242), (3054, 67160), (3358, 61080), (3504, 58535), (4072, 50370), (4380, 46828), (5037, 40720), (5090, 40296), (5520, 37157), (5840, 35121), (6108, 33580), (6716, 30540), (7635, 26864), (8144, 25185), (8395, 24432), (8760, 23414), (10074, 20360), (10180, 20148), (11707, 17520), (12216, 16790), (13432, 15270)]