331345980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 288

約数和(自身を含む): 1257984000

約数和(自身を除く): 926638020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 31, 34, 35, 36, 42, 45, 51, 60, 62, 63, 68, 70, 84, 85, 90, 93, 102, 105, 119, 124, 126, 140, 153, 155, 170, 180, 186, 204, 210, 217, 238, 252, 255, 279, 306, 310, 315, 340, 357, 372, 420, 434, 465, 476, 499, 510, 527, 558, 595, 612, 620, 630, 651, 714, 765, 868, 930, 998, 1020, 1054, 1071, 1085, 1116, 1190, 1260, 1302, 1395, 1428, 1497, 1530, 1581, 1785, 1860, 1953, 1996, 2108, 2142, 2170, 2380, 2495, 2604, 2635, 2790, 2994, 3060, 3162, 3255, 3493, 3570, 3689, 3906, 4284, 4340, 4491, 4743, 4990, 5270, 5355, 5580, 5988, 6324, 6510, 6986, 7140, 7378, 7485, 7812, 7905, 8483, 8982, 9486, 9765, 9980, 10479, 10540, 10710, 11067, 13020, 13972, 14756, 14970, 15469, 15810, 16966, 17465, 17964, 18445, 18972, 19530, 20958, 21420, 22134, 22455, 23715, 25449, 29940, 30938, 31437, 31620, 33201, 33932, 34930, 36890, 39060, 41916, 42415, 44268, 44910, 46407, 47430, 50898, 52395, 55335, 59381, 61876, 62874, 66402, 69860, 73780, 76347, 77345, 84830, 89820, 92814, 94860, 101796, 104790, 108283, 110670, 118762, 125748, 127245, 132804, 139221, 152694, 154690, 157185, 166005, 169660, 178143, 185628, 209580, 216566, 221340, 232035, 237524, 254490, 262973, 278442, 296905, 305388, 309380, 314370, 324849, 332010, 356286, 381735, 433132, 464070, 508980, 525946, 534429, 541415, 556884, 593810, 628740, 649698, 664020, 696105, 712572, 763470, 788919, 890715, 928140, 974547, 1051892, 1068858, 1082830, 1187620, 1299396, 1314865, 1392210, 1526940, 1577838, 1624245, 1781430, 1840811, 1949094, 2137716, 2165660, 2366757, 2629730, 2672145, 2784420, 3155676, 3248490, 3562860, 3681622, 3898188, 3944595, 4733514, 4872735, 5259460, 5344290, 5522433, 6496980, 7363244, 7889190, 9204055, 9467028, 9745470, 10688580, 11044866, 11833785, 15778380, 16567299, 18408110, 19490940, 22089732, 23667570, 27612165, 33134598, 36816220, 47335140, 55224330, 66269196, 82836495, 110448660, 165672990, 331345980]

約数ペア:

[(1, 331345980), (2, 165672990), (3, 110448660), (4, 82836495), (5, 66269196), (6, 55224330), (7, 47335140), (9, 36816220), (10, 33134598), (12, 27612165), (14, 23667570), (15, 22089732), (17, 19490940), (18, 18408110), (20, 16567299), (21, 15778380), (28, 11833785), (30, 11044866), (31, 10688580), (34, 9745470), (35, 9467028), (36, 9204055), (42, 7889190), (45, 7363244), (51, 6496980), (60, 5522433), (62, 5344290), (63, 5259460), (68, 4872735), (70, 4733514), (84, 3944595), (85, 3898188), (90, 3681622), (93, 3562860), (102, 3248490), (105, 3155676), (119, 2784420), (124, 2672145), (126, 2629730), (140, 2366757), (153, 2165660), (155, 2137716), (170, 1949094), (180, 1840811), (186, 1781430), (204, 1624245), (210, 1577838), (217, 1526940), (238, 1392210), (252, 1314865), (255, 1299396), (279, 1187620), (306, 1082830), (310, 1068858), (315, 1051892), (340, 974547), (357, 928140), (372, 890715), (420, 788919), (434, 763470), (465, 712572), (476, 696105), (499, 664020), (510, 649698), (527, 628740), (558, 593810), (595, 556884), (612, 541415), (620, 534429), (630, 525946), (651, 508980), (714, 464070), (765, 433132), (868, 381735), (930, 356286), (998, 332010), (1020, 324849), (1054, 314370), (1071, 309380), (1085, 305388), (1116, 296905), (1190, 278442), (1260, 262973), (1302, 254490), (1395, 237524), (1428, 232035), (1497, 221340), (1530, 216566), (1581, 209580), (1785, 185628), (1860, 178143), (1953, 169660), (1996, 166005), (2108, 157185), (2142, 154690), (2170, 152694), (2380, 139221), (2495, 132804), (2604, 127245), (2635, 125748), (2790, 118762), (2994, 110670), (3060, 108283), (3162, 104790), (3255, 101796), (3493, 94860), (3570, 92814), (3689, 89820), (3906, 84830), (4284, 77345), (4340, 76347), (4491, 73780), (4743, 69860), (4990, 66402), (5270, 62874), (5355, 61876), (5580, 59381), (5988, 55335), (6324, 52395), (6510, 50898), (6986, 47430), (7140, 46407), (7378, 44910), (7485, 44268), (7812, 42415), (7905, 41916), (8483, 39060), (8982, 36890), (9486, 34930), (9765, 33932), (9980, 33201), (10479, 31620), (10540, 31437), (10710, 30938), (11067, 29940), (13020, 25449), (13972, 23715), (14756, 22455), (14970, 22134), (15469, 21420), (15810, 20958), (16966, 19530), (17465, 18972), (17964, 18445)]