31780320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:505

約数の個数: 192

約数和(自身を含む): 117863424

約数和(自身を除く): 86083104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 352, 390, 416, 429, 440, 463, 480, 520, 528, 572, 624, 660, 715, 780, 858, 880, 926, 1040, 1056, 1144, 1248, 1320, 1389, 1430, 1560, 1716, 1760, 1852, 2080, 2145, 2288, 2315, 2640, 2778, 2860, 3120, 3432, 3704, 4290, 4576, 4630, 5093, 5280, 5556, 5720, 6019, 6240, 6864, 6945, 7408, 8580, 9260, 10186, 11112, 11440, 12038, 13728, 13890, 14816, 15279, 17160, 18057, 18520, 20372, 22224, 22880, 24076, 25465, 27780, 30095, 30558, 34320, 36114, 37040, 40744, 44448, 48152, 50930, 55560, 60190, 61116, 66209, 68640, 72228, 74080, 76395, 81488, 90285, 96304, 101860, 111120, 120380, 122232, 132418, 144456, 152790, 162976, 180570, 192608, 198627, 203720, 222240, 240760, 244464, 264836, 288912, 305580, 331045, 361140, 397254, 407440, 481520, 488928, 529672, 577824, 611160, 662090, 722280, 794508, 814880, 963040, 993135, 1059344, 1222320, 1324180, 1444560, 1589016, 1986270, 2118688, 2444640, 2648360, 2889120, 3178032, 3972540, 5296720, 6356064, 7945080, 10593440, 15890160, 31780320]

約数ペア:

[(1, 31780320), (2, 15890160), (3, 10593440), (4, 7945080), (5, 6356064), (6, 5296720), (8, 3972540), (10, 3178032), (11, 2889120), (12, 2648360), (13, 2444640), (15, 2118688), (16, 1986270), (20, 1589016), (22, 1444560), (24, 1324180), (26, 1222320), (30, 1059344), (32, 993135), (33, 963040), (39, 814880), (40, 794508), (44, 722280), (48, 662090), (52, 611160), (55, 577824), (60, 529672), (65, 488928), (66, 481520), (78, 407440), (80, 397254), (88, 361140), (96, 331045), (104, 305580), (110, 288912), (120, 264836), (130, 244464), (132, 240760), (143, 222240), (156, 203720), (160, 198627), (165, 192608), (176, 180570), (195, 162976), (208, 152790), (220, 144456), (240, 132418), (260, 122232), (264, 120380), (286, 111120), (312, 101860), (330, 96304), (352, 90285), (390, 81488), (416, 76395), (429, 74080), (440, 72228), (463, 68640), (480, 66209), (520, 61116), (528, 60190), (572, 55560), (624, 50930), (660, 48152), (715, 44448), (780, 40744), (858, 37040), (880, 36114), (926, 34320), (1040, 30558), (1056, 30095), (1144, 27780), (1248, 25465), (1320, 24076), (1389, 22880), (1430, 22224), (1560, 20372), (1716, 18520), (1760, 18057), (1852, 17160), (2080, 15279), (2145, 14816), (2288, 13890), (2315, 13728), (2640, 12038), (2778, 11440), (2860, 11112), (3120, 10186), (3432, 9260), (3704, 8580), (4290, 7408), (4576, 6945), (4630, 6864), (5093, 6240), (5280, 6019), (5556, 5720)]