321194720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 1011419136

約数和(自身を除く): 690224416

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 31, 32, 35, 40, 44, 55, 56, 58, 62, 70, 77, 80, 88, 110, 112, 116, 124, 140, 145, 154, 155, 160, 176, 203, 217, 220, 224, 232, 248, 280, 290, 308, 310, 319, 341, 352, 385, 406, 434, 440, 464, 496, 560, 580, 616, 620, 638, 682, 770, 812, 841, 868, 880, 899, 928, 992, 1015, 1085, 1120, 1160, 1232, 1240, 1276, 1364, 1540, 1595, 1624, 1682, 1705, 1736, 1760, 1798, 2030, 2170, 2233, 2320, 2387, 2464, 2480, 2552, 2728, 3080, 3190, 3248, 3364, 3410, 3472, 3596, 4060, 4205, 4340, 4466, 4495, 4640, 4774, 4960, 5104, 5456, 5887, 6160, 6293, 6380, 6496, 6728, 6820, 6944, 7192, 8120, 8410, 8680, 8932, 8990, 9251, 9548, 9889, 10208, 10912, 11165, 11774, 11935, 12320, 12586, 12760, 13456, 13640, 14384, 16240, 16820, 17360, 17864, 17980, 18502, 19096, 19778, 22330, 23548, 23870, 25172, 25520, 26071, 26912, 27280, 28768, 29435, 31465, 32480, 33640, 34720, 35728, 35960, 37004, 38192, 39556, 44660, 46255, 47096, 47740, 49445, 50344, 51040, 52142, 54560, 58870, 62930, 64757, 67280, 69223, 71456, 71920, 74008, 76384, 79112, 89320, 92510, 94192, 95480, 98890, 100688, 104284, 117740, 125860, 129514, 130355, 134560, 138446, 143840, 148016, 158224, 178640, 182497, 185020, 188384, 190960, 197780, 201376, 208568, 235480, 251720, 259028, 260710, 276892, 286781, 296032, 316448, 323785, 346115, 357280, 364994, 370040, 381920, 395560, 417136, 470960, 503440, 518056, 521420, 553784, 573562, 647570, 692230, 729988, 740080, 791120, 834272, 912485, 941920, 1006880, 1036112, 1042840, 1107568, 1147124, 1295140, 1384460, 1433905, 1459976, 1480160, 1582240, 1824970, 2007467, 2072224, 2085680, 2215136, 2294248, 2590280, 2768920, 2867810, 2919952, 3649940, 4014934, 4171360, 4588496, 5180560, 5537840, 5735620, 5839904, 7299880, 8029868, 9176992, 10037335, 10361120, 11075680, 11471240, 14599760, 16059736, 20074670, 22942480, 29199520, 32119472, 40149340, 45884960, 64238944, 80298680, 160597360, 321194720]

約数ペア:

[(1, 321194720), (2, 160597360), (4, 80298680), (5, 64238944), (7, 45884960), (8, 40149340), (10, 32119472), (11, 29199520), (14, 22942480), (16, 20074670), (20, 16059736), (22, 14599760), (28, 11471240), (29, 11075680), (31, 10361120), (32, 10037335), (35, 9176992), (40, 8029868), (44, 7299880), (55, 5839904), (56, 5735620), (58, 5537840), (62, 5180560), (70, 4588496), (77, 4171360), (80, 4014934), (88, 3649940), (110, 2919952), (112, 2867810), (116, 2768920), (124, 2590280), (140, 2294248), (145, 2215136), (154, 2085680), (155, 2072224), (160, 2007467), (176, 1824970), (203, 1582240), (217, 1480160), (220, 1459976), (224, 1433905), (232, 1384460), (248, 1295140), (280, 1147124), (290, 1107568), (308, 1042840), (310, 1036112), (319, 1006880), (341, 941920), (352, 912485), (385, 834272), (406, 791120), (434, 740080), (440, 729988), (464, 692230), (496, 647570), (560, 573562), (580, 553784), (616, 521420), (620, 518056), (638, 503440), (682, 470960), (770, 417136), (812, 395560), (841, 381920), (868, 370040), (880, 364994), (899, 357280), (928, 346115), (992, 323785), (1015, 316448), (1085, 296032), (1120, 286781), (1160, 276892), (1232, 260710), (1240, 259028), (1276, 251720), (1364, 235480), (1540, 208568), (1595, 201376), (1624, 197780), (1682, 190960), (1705, 188384), (1736, 185020), (1760, 182497), (1798, 178640), (2030, 158224), (2170, 148016), (2233, 143840), (2320, 138446), (2387, 134560), (2464, 130355), (2480, 129514), (2552, 125860), (2728, 117740), (3080, 104284), (3190, 100688), (3248, 98890), (3364, 95480), (3410, 94192), (3472, 92510), (3596, 89320), (4060, 79112), (4205, 76384), (4340, 74008), (4466, 71920), (4495, 71456), (4640, 69223), (4774, 67280), (4960, 64757), (5104, 62930), (5456, 58870), (5887, 54560), (6160, 52142), (6293, 51040), (6380, 50344), (6496, 49445), (6728, 47740), (6820, 47096), (6944, 46255), (7192, 44660), (8120, 39556), (8410, 38192), (8680, 37004), (8932, 35960), (8990, 35728), (9251, 34720), (9548, 33640), (9889, 32480), (10208, 31465), (10912, 29435), (11165, 28768), (11774, 27280), (11935, 26912), (12320, 26071), (12586, 25520), (12760, 25172), (13456, 23870), (13640, 23548), (14384, 22330), (16240, 19778), (16820, 19096), (17360, 18502), (17864, 17980)]