647025840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4219}}^1$

素因数の和:4312

約数の個数: 160

約数和(自身を含む): 2260569600

約数和(自身を除く): 1613543760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 213, 216, 240, 270, 284, 355, 360, 426, 432, 540, 568, 639, 710, 720, 852, 1065, 1080, 1136, 1278, 1420, 1704, 1917, 2130, 2160, 2556, 2840, 3195, 3408, 3834, 4219, 4260, 5112, 5680, 6390, 7668, 8438, 8520, 9585, 10224, 12657, 12780, 15336, 16876, 17040, 19170, 21095, 25314, 25560, 30672, 33752, 37971, 38340, 42190, 50628, 51120, 63285, 67504, 75942, 76680, 84380, 101256, 113913, 126570, 151884, 153360, 168760, 189855, 202512, 227826, 253140, 299549, 303768, 337520, 379710, 455652, 506280, 569565, 599098, 607536, 759420, 898647, 911304, 1012560, 1139130, 1198196, 1497745, 1518840, 1797294, 1822608, 2278260, 2396392, 2695941, 2995490, 3037680, 3594588, 4493235, 4556520, 4792784, 5391882, 5990980, 7189176, 8087823, 8986470, 9113040, 10783764, 11981960, 13479705, 14378352, 16175646, 17972940, 21567528, 23963920, 26959410, 32351292, 35945880, 40439115, 43135056, 53918820, 64702584, 71891760, 80878230, 107837640, 129405168, 161756460, 215675280, 323512920, 647025840]

約数ペア:

[(1, 647025840), (2, 323512920), (3, 215675280), (4, 161756460), (5, 129405168), (6, 107837640), (8, 80878230), (9, 71891760), (10, 64702584), (12, 53918820), (15, 43135056), (16, 40439115), (18, 35945880), (20, 32351292), (24, 26959410), (27, 23963920), (30, 21567528), (36, 17972940), (40, 16175646), (45, 14378352), (48, 13479705), (54, 11981960), (60, 10783764), (71, 9113040), (72, 8986470), (80, 8087823), (90, 7189176), (108, 5990980), (120, 5391882), (135, 4792784), (142, 4556520), (144, 4493235), (180, 3594588), (213, 3037680), (216, 2995490), (240, 2695941), (270, 2396392), (284, 2278260), (355, 1822608), (360, 1797294), (426, 1518840), (432, 1497745), (540, 1198196), (568, 1139130), (639, 1012560), (710, 911304), (720, 898647), (852, 759420), (1065, 607536), (1080, 599098), (1136, 569565), (1278, 506280), (1420, 455652), (1704, 379710), (1917, 337520), (2130, 303768), (2160, 299549), (2556, 253140), (2840, 227826), (3195, 202512), (3408, 189855), (3834, 168760), (4219, 153360), (4260, 151884), (5112, 126570), (5680, 113913), (6390, 101256), (7668, 84380), (8438, 76680), (8520, 75942), (9585, 67504), (10224, 63285), (12657, 51120), (12780, 50628), (15336, 42190), (16876, 38340), (17040, 37971), (19170, 33752), (21095, 30672), (25314, 25560)]