320789040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{719}}^1$

素因数の和:772

約数の個数: 240

約数和(自身を含む): 1176353280

約数和(自身を除く): 855564240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 169, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 338, 390, 429, 440, 507, 520, 528, 572, 624, 660, 676, 715, 719, 780, 845, 858, 880, 1014, 1040, 1144, 1320, 1352, 1430, 1438, 1560, 1690, 1716, 1859, 2028, 2145, 2157, 2288, 2535, 2640, 2704, 2860, 2876, 3120, 3380, 3432, 3595, 3718, 4056, 4290, 4314, 5070, 5577, 5720, 5752, 6760, 6864, 7190, 7436, 7909, 8112, 8580, 8628, 9295, 9347, 10140, 10785, 11154, 11440, 11504, 13520, 14380, 14872, 15818, 17160, 17256, 18590, 18694, 20280, 21570, 22308, 23727, 27885, 28041, 28760, 29744, 31636, 34320, 34512, 37180, 37388, 39545, 40560, 43140, 44616, 46735, 47454, 55770, 56082, 57520, 63272, 74360, 74776, 79090, 86280, 89232, 93470, 94908, 102817, 111540, 112164, 118635, 121511, 126544, 140205, 148720, 149552, 158180, 172560, 186940, 189816, 205634, 223080, 224328, 237270, 243022, 280410, 308451, 316360, 364533, 373880, 379632, 411268, 446160, 448656, 474540, 486044, 514085, 560820, 607555, 616902, 632720, 729066, 747760, 822536, 949080, 972088, 1028170, 1121640, 1215110, 1233804, 1336621, 1458132, 1542255, 1645072, 1822665, 1898160, 1944176, 2056340, 2243280, 2430220, 2467608, 2673242, 2916264, 3084510, 3645330, 4009863, 4112680, 4860440, 4935216, 5346484, 5832528, 6169020, 6683105, 7290660, 8019726, 8225360, 9720880, 10692968, 12338040, 13366210, 14581320, 16039452, 20049315, 21385936, 24676080, 26732420, 29162640, 32078904, 40098630, 53464840, 64157808, 80197260, 106929680, 160394520, 320789040]

約数ペア:

[(1, 320789040), (2, 160394520), (3, 106929680), (4, 80197260), (5, 64157808), (6, 53464840), (8, 40098630), (10, 32078904), (11, 29162640), (12, 26732420), (13, 24676080), (15, 21385936), (16, 20049315), (20, 16039452), (22, 14581320), (24, 13366210), (26, 12338040), (30, 10692968), (33, 9720880), (39, 8225360), (40, 8019726), (44, 7290660), (48, 6683105), (52, 6169020), (55, 5832528), (60, 5346484), (65, 4935216), (66, 4860440), (78, 4112680), (80, 4009863), (88, 3645330), (104, 3084510), (110, 2916264), (120, 2673242), (130, 2467608), (132, 2430220), (143, 2243280), (156, 2056340), (165, 1944176), (169, 1898160), (176, 1822665), (195, 1645072), (208, 1542255), (220, 1458132), (240, 1336621), (260, 1233804), (264, 1215110), (286, 1121640), (312, 1028170), (330, 972088), (338, 949080), (390, 822536), (429, 747760), (440, 729066), (507, 632720), (520, 616902), (528, 607555), (572, 560820), (624, 514085), (660, 486044), (676, 474540), (715, 448656), (719, 446160), (780, 411268), (845, 379632), (858, 373880), (880, 364533), (1014, 316360), (1040, 308451), (1144, 280410), (1320, 243022), (1352, 237270), (1430, 224328), (1438, 223080), (1560, 205634), (1690, 189816), (1716, 186940), (1859, 172560), (2028, 158180), (2145, 149552), (2157, 148720), (2288, 140205), (2535, 126544), (2640, 121511), (2704, 118635), (2860, 112164), (2876, 111540), (3120, 102817), (3380, 94908), (3432, 93470), (3595, 89232), (3718, 86280), (4056, 79090), (4290, 74776), (4314, 74360), (5070, 63272), (5577, 57520), (5720, 56082), (5752, 55770), (6760, 47454), (6864, 46735), (7190, 44616), (7436, 43140), (7909, 40560), (8112, 39545), (8580, 37388), (8628, 37180), (9295, 34512), (9347, 34320), (10140, 31636), (10785, 29744), (11154, 28760), (11440, 28041), (11504, 27885), (13520, 23727), (14380, 22308), (14872, 21570), (15818, 20280), (17160, 18694), (17256, 18590)]