31311280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 320

約数和(自身を含む): 107993088

約数和(自身を除く): 76681808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 20, 22, 23, 26, 28, 34, 35, 40, 44, 46, 52, 55, 56, 65, 68, 70, 77, 80, 85, 88, 91, 92, 104, 110, 112, 115, 119, 130, 136, 140, 143, 154, 161, 170, 176, 182, 184, 187, 208, 220, 221, 230, 238, 253, 260, 272, 280, 286, 299, 308, 322, 340, 364, 368, 374, 385, 391, 440, 442, 455, 460, 476, 506, 520, 560, 572, 595, 598, 616, 644, 680, 715, 728, 748, 770, 782, 805, 880, 884, 910, 920, 935, 952, 1001, 1012, 1040, 1105, 1144, 1190, 1196, 1232, 1265, 1288, 1309, 1360, 1430, 1456, 1495, 1496, 1540, 1547, 1564, 1610, 1768, 1771, 1820, 1840, 1870, 1904, 1955, 2002, 2024, 2093, 2210, 2288, 2380, 2392, 2431, 2530, 2576, 2618, 2737, 2860, 2990, 2992, 3080, 3094, 3128, 3220, 3289, 3536, 3542, 3640, 3740, 3910, 4004, 4048, 4186, 4301, 4420, 4760, 4784, 4862, 5005, 5060, 5083, 5236, 5474, 5720, 5980, 6160, 6188, 6256, 6440, 6545, 6578, 7084, 7280, 7480, 7735, 7820, 8008, 8372, 8602, 8840, 8855, 9520, 9724, 10010, 10120, 10166, 10465, 10472, 10948, 11440, 11960, 12155, 12376, 12880, 13090, 13156, 13685, 14168, 14960, 15470, 15640, 16016, 16445, 16744, 17017, 17204, 17680, 17710, 19448, 20020, 20240, 20332, 20930, 20944, 21505, 21896, 23023, 23920, 24310, 24752, 25415, 26180, 26312, 27370, 28336, 30107, 30940, 31280, 32890, 33488, 34034, 34408, 35420, 35581, 38896, 40040, 40664, 41860, 43010, 43792, 46046, 48620, 50830, 52360, 52624, 54740, 55913, 60214, 61880, 65780, 68068, 68816, 70840, 71162, 80080, 81328, 83720, 85085, 86020, 92092, 97240, 101660, 104720, 109480, 111826, 115115, 120428, 123760, 131560, 136136, 141680, 142324, 150535, 167440, 170170, 172040, 177905, 184184, 194480, 203320, 218960, 223652, 230230, 240856, 263120, 272272, 279565, 284648, 301070, 340340, 344080, 355810, 368368, 391391, 406640, 447304, 460460, 481712, 559130, 569296, 602140, 680680, 711620, 782782, 894608, 920920, 1118260, 1204280, 1361360, 1423240, 1565564, 1841840, 1956955, 2236520, 2408560, 2846480, 3131128, 3913910, 4473040, 6262256, 7827820, 15655640, 31311280]

約数ペア:

[(1, 31311280), (2, 15655640), (4, 7827820), (5, 6262256), (7, 4473040), (8, 3913910), (10, 3131128), (11, 2846480), (13, 2408560), (14, 2236520), (16, 1956955), (17, 1841840), (20, 1565564), (22, 1423240), (23, 1361360), (26, 1204280), (28, 1118260), (34, 920920), (35, 894608), (40, 782782), (44, 711620), (46, 680680), (52, 602140), (55, 569296), (56, 559130), (65, 481712), (68, 460460), (70, 447304), (77, 406640), (80, 391391), (85, 368368), (88, 355810), (91, 344080), (92, 340340), (104, 301070), (110, 284648), (112, 279565), (115, 272272), (119, 263120), (130, 240856), (136, 230230), (140, 223652), (143, 218960), (154, 203320), (161, 194480), (170, 184184), (176, 177905), (182, 172040), (184, 170170), (187, 167440), (208, 150535), (220, 142324), (221, 141680), (230, 136136), (238, 131560), (253, 123760), (260, 120428), (272, 115115), (280, 111826), (286, 109480), (299, 104720), (308, 101660), (322, 97240), (340, 92092), (364, 86020), (368, 85085), (374, 83720), (385, 81328), (391, 80080), (440, 71162), (442, 70840), (455, 68816), (460, 68068), (476, 65780), (506, 61880), (520, 60214), (560, 55913), (572, 54740), (595, 52624), (598, 52360), (616, 50830), (644, 48620), (680, 46046), (715, 43792), (728, 43010), (748, 41860), (770, 40664), (782, 40040), (805, 38896), (880, 35581), (884, 35420), (910, 34408), (920, 34034), (935, 33488), (952, 32890), (1001, 31280), (1012, 30940), (1040, 30107), (1105, 28336), (1144, 27370), (1190, 26312), (1196, 26180), (1232, 25415), (1265, 24752), (1288, 24310), (1309, 23920), (1360, 23023), (1430, 21896), (1456, 21505), (1495, 20944), (1496, 20930), (1540, 20332), (1547, 20240), (1564, 20020), (1610, 19448), (1768, 17710), (1771, 17680), (1820, 17204), (1840, 17017), (1870, 16744), (1904, 16445), (1955, 16016), (2002, 15640), (2024, 15470), (2093, 14960), (2210, 14168), (2288, 13685), (2380, 13156), (2392, 13090), (2431, 12880), (2530, 12376), (2576, 12155), (2618, 11960), (2737, 11440), (2860, 10948), (2990, 10472), (2992, 10465), (3080, 10166), (3094, 10120), (3128, 10010), (3220, 9724), (3289, 9520), (3536, 8855), (3542, 8840), (3640, 8602), (3740, 8372), (3910, 8008), (4004, 7820), (4048, 7735), (4186, 7480), (4301, 7280), (4420, 7084), (4760, 6578), (4784, 6545), (4862, 6440), (5005, 6256), (5060, 6188), (5083, 6160), (5236, 5980), (5474, 5720)]