381356560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 1012435200

約数和(自身を除く): 631078640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 107, 115, 130, 149, 184, 208, 214, 230, 260, 298, 299, 368, 428, 460, 520, 535, 596, 598, 745, 856, 920, 1040, 1070, 1192, 1196, 1391, 1490, 1495, 1712, 1840, 1937, 2140, 2384, 2392, 2461, 2782, 2980, 2990, 3427, 3874, 4280, 4784, 4922, 5564, 5960, 5980, 6854, 6955, 7748, 8560, 9685, 9844, 11128, 11920, 11960, 12305, 13708, 13910, 15496, 15943, 17135, 19370, 19688, 22256, 23920, 24610, 27416, 27820, 30992, 31886, 31993, 34270, 38740, 39376, 44551, 49220, 54832, 55640, 63772, 63986, 68540, 77480, 79715, 89102, 98440, 111280, 127544, 127972, 137080, 154960, 159430, 159965, 178204, 196880, 207259, 222755, 255088, 255944, 274160, 318860, 319930, 356408, 366689, 414518, 445510, 511888, 637720, 639860, 712816, 733378, 829036, 891020, 1036295, 1275440, 1279720, 1466756, 1658072, 1782040, 1833445, 2072590, 2559440, 2933512, 3316144, 3564080, 3666890, 4145180, 4766957, 5867024, 7333780, 8290360, 9533914, 14667560, 16580720, 19067828, 23834785, 29335120, 38135656, 47669570, 76271312, 95339140, 190678280, 381356560]

約数ペア:

[(1, 381356560), (2, 190678280), (4, 95339140), (5, 76271312), (8, 47669570), (10, 38135656), (13, 29335120), (16, 23834785), (20, 19067828), (23, 16580720), (26, 14667560), (40, 9533914), (46, 8290360), (52, 7333780), (65, 5867024), (80, 4766957), (92, 4145180), (104, 3666890), (107, 3564080), (115, 3316144), (130, 2933512), (149, 2559440), (184, 2072590), (208, 1833445), (214, 1782040), (230, 1658072), (260, 1466756), (298, 1279720), (299, 1275440), (368, 1036295), (428, 891020), (460, 829036), (520, 733378), (535, 712816), (596, 639860), (598, 637720), (745, 511888), (856, 445510), (920, 414518), (1040, 366689), (1070, 356408), (1192, 319930), (1196, 318860), (1391, 274160), (1490, 255944), (1495, 255088), (1712, 222755), (1840, 207259), (1937, 196880), (2140, 178204), (2384, 159965), (2392, 159430), (2461, 154960), (2782, 137080), (2980, 127972), (2990, 127544), (3427, 111280), (3874, 98440), (4280, 89102), (4784, 79715), (4922, 77480), (5564, 68540), (5960, 63986), (5980, 63772), (6854, 55640), (6955, 54832), (7748, 49220), (8560, 44551), (9685, 39376), (9844, 38740), (11128, 34270), (11920, 31993), (11960, 31886), (12305, 30992), (13708, 27820), (13910, 27416), (15496, 24610), (15943, 23920), (17135, 22256), (19370, 19688)]