31120320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:459

約数の個数: 224

約数和(自身を含む): 123480576

約数和(自身を除く): 92360256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 385, 420, 421, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 770, 840, 842, 880, 924, 960, 1056, 1120, 1155, 1232, 1263, 1320, 1344, 1540, 1680, 1684, 1760, 1848, 2105, 2112, 2240, 2310, 2464, 2526, 2640, 2947, 3080, 3360, 3368, 3520, 3696, 4210, 4620, 4631, 4928, 5052, 5280, 5894, 6160, 6315, 6720, 6736, 7392, 8420, 8841, 9240, 9262, 10104, 10560, 11788, 12320, 12630, 13472, 13893, 14735, 14784, 16840, 17682, 18480, 18524, 20208, 23155, 23576, 24640, 25260, 26944, 27786, 29470, 32417, 33680, 35364, 36960, 37048, 40416, 44205, 46310, 47152, 50520, 55572, 58940, 64834, 67360, 69465, 70728, 73920, 74096, 80832, 88410, 92620, 94304, 97251, 101040, 111144, 117880, 129668, 134720, 138930, 141456, 148192, 162085, 176820, 185240, 188608, 194502, 202080, 222288, 235760, 259336, 277860, 282912, 296384, 324170, 353640, 370480, 389004, 404160, 444576, 471520, 486255, 518672, 555720, 565824, 648340, 707280, 740960, 778008, 889152, 943040, 972510, 1037344, 1111440, 1296680, 1414560, 1481920, 1556016, 1945020, 2074688, 2222880, 2593360, 2829120, 3112032, 3890040, 4445760, 5186720, 6224064, 7780080, 10373440, 15560160, 31120320]

約数ペア:

[(1, 31120320), (2, 15560160), (3, 10373440), (4, 7780080), (5, 6224064), (6, 5186720), (7, 4445760), (8, 3890040), (10, 3112032), (11, 2829120), (12, 2593360), (14, 2222880), (15, 2074688), (16, 1945020), (20, 1556016), (21, 1481920), (22, 1414560), (24, 1296680), (28, 1111440), (30, 1037344), (32, 972510), (33, 943040), (35, 889152), (40, 778008), (42, 740960), (44, 707280), (48, 648340), (55, 565824), (56, 555720), (60, 518672), (64, 486255), (66, 471520), (70, 444576), (77, 404160), (80, 389004), (84, 370480), (88, 353640), (96, 324170), (105, 296384), (110, 282912), (112, 277860), (120, 259336), (132, 235760), (140, 222288), (154, 202080), (160, 194502), (165, 188608), (168, 185240), (176, 176820), (192, 162085), (210, 148192), (220, 141456), (224, 138930), (231, 134720), (240, 129668), (264, 117880), (280, 111144), (308, 101040), (320, 97251), (330, 94304), (336, 92620), (352, 88410), (385, 80832), (420, 74096), (421, 73920), (440, 70728), (448, 69465), (462, 67360), (480, 64834), (528, 58940), (560, 55572), (616, 50520), (660, 47152), (672, 46310), (704, 44205), (770, 40416), (840, 37048), (842, 36960), (880, 35364), (924, 33680), (960, 32417), (1056, 29470), (1120, 27786), (1155, 26944), (1232, 25260), (1263, 24640), (1320, 23576), (1344, 23155), (1540, 20208), (1680, 18524), (1684, 18480), (1760, 17682), (1848, 16840), (2105, 14784), (2112, 14735), (2240, 13893), (2310, 13472), (2464, 12630), (2526, 12320), (2640, 11788), (2947, 10560), (3080, 10104), (3360, 9262), (3368, 9240), (3520, 8841), (3696, 8420), (4210, 7392), (4620, 6736), (4631, 6720), (4928, 6315), (5052, 6160), (5280, 5894)]