290991960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 256

約数和(自身を含む): 1128499200

約数和(自身を除く): 837507240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 61, 63, 70, 72, 84, 90, 105, 108, 120, 122, 126, 135, 140, 168, 180, 183, 189, 210, 216, 244, 252, 270, 280, 305, 315, 360, 366, 378, 420, 427, 488, 504, 540, 549, 610, 630, 631, 732, 756, 840, 854, 915, 945, 1080, 1098, 1220, 1260, 1262, 1281, 1464, 1512, 1647, 1708, 1830, 1890, 1893, 2135, 2196, 2440, 2520, 2524, 2562, 2745, 3155, 3294, 3416, 3660, 3780, 3786, 3843, 4270, 4392, 4417, 5048, 5124, 5490, 5679, 6310, 6405, 6588, 7320, 7560, 7572, 7686, 8235, 8540, 8834, 9465, 10248, 10980, 11358, 11529, 12620, 12810, 13176, 13251, 15144, 15372, 16470, 17037, 17080, 17668, 18930, 19215, 21960, 22085, 22716, 23058, 25240, 25620, 26502, 28395, 30744, 32940, 34074, 35336, 37860, 38430, 38491, 39753, 44170, 45432, 46116, 51240, 53004, 56790, 57645, 65880, 66255, 68148, 75720, 76860, 76982, 79506, 85185, 88340, 92232, 106008, 113580, 115290, 115473, 119259, 132510, 136296, 153720, 153964, 159012, 170370, 176680, 192455, 198765, 227160, 230580, 230946, 238518, 265020, 269437, 307928, 318024, 340740, 346419, 384910, 397530, 461160, 461892, 477036, 530040, 538874, 577365, 596295, 681480, 692838, 769820, 795060, 808311, 923784, 954072, 1039257, 1077748, 1154730, 1192590, 1347185, 1385676, 1539640, 1590120, 1616622, 1732095, 2078514, 2155496, 2309460, 2385180, 2424933, 2694370, 2771352, 3233244, 3464190, 4041555, 4157028, 4618920, 4770360, 4849866, 5196285, 5388740, 6466488, 6928380, 7274799, 8083110, 8314056, 9699732, 10392570, 10777480, 12124665, 13856760, 14549598, 16166220, 19399464, 20785140, 24249330, 29099196, 32332440, 36373995, 41570280, 48498660, 58198392, 72747990, 96997320, 145495980, 290991960]

約数ペア:

[(1, 290991960), (2, 145495980), (3, 96997320), (4, 72747990), (5, 58198392), (6, 48498660), (7, 41570280), (8, 36373995), (9, 32332440), (10, 29099196), (12, 24249330), (14, 20785140), (15, 19399464), (18, 16166220), (20, 14549598), (21, 13856760), (24, 12124665), (27, 10777480), (28, 10392570), (30, 9699732), (35, 8314056), (36, 8083110), (40, 7274799), (42, 6928380), (45, 6466488), (54, 5388740), (56, 5196285), (60, 4849866), (61, 4770360), (63, 4618920), (70, 4157028), (72, 4041555), (84, 3464190), (90, 3233244), (105, 2771352), (108, 2694370), (120, 2424933), (122, 2385180), (126, 2309460), (135, 2155496), (140, 2078514), (168, 1732095), (180, 1616622), (183, 1590120), (189, 1539640), (210, 1385676), (216, 1347185), (244, 1192590), (252, 1154730), (270, 1077748), (280, 1039257), (305, 954072), (315, 923784), (360, 808311), (366, 795060), (378, 769820), (420, 692838), (427, 681480), (488, 596295), (504, 577365), (540, 538874), (549, 530040), (610, 477036), (630, 461892), (631, 461160), (732, 397530), (756, 384910), (840, 346419), (854, 340740), (915, 318024), (945, 307928), (1080, 269437), (1098, 265020), (1220, 238518), (1260, 230946), (1262, 230580), (1281, 227160), (1464, 198765), (1512, 192455), (1647, 176680), (1708, 170370), (1830, 159012), (1890, 153964), (1893, 153720), (2135, 136296), (2196, 132510), (2440, 119259), (2520, 115473), (2524, 115290), (2562, 113580), (2745, 106008), (3155, 92232), (3294, 88340), (3416, 85185), (3660, 79506), (3780, 76982), (3786, 76860), (3843, 75720), (4270, 68148), (4392, 66255), (4417, 65880), (5048, 57645), (5124, 56790), (5490, 53004), (5679, 51240), (6310, 46116), (6405, 45432), (6588, 44170), (7320, 39753), (7560, 38491), (7572, 38430), (7686, 37860), (8235, 35336), (8540, 34074), (8834, 32940), (9465, 30744), (10248, 28395), (10980, 26502), (11358, 25620), (11529, 25240), (12620, 23058), (12810, 22716), (13176, 22085), (13251, 21960), (15144, 19215), (15372, 18930), (16470, 17668), (17037, 17080)]