388561320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 256

約数和(自身を含む): 1497600000

約数和(自身を除く): 1109038680

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, 63, 70, 72, 84, 90, 103, 105, 108, 120, 126, 135, 140, 168, 180, 189, 206, 210, 216, 252, 270, 280, 309, 315, 360, 378, 412, 420, 499, 504, 515, 540, 618, 630, 721, 756, 824, 840, 927, 945, 998, 1030, 1080, 1236, 1260, 1442, 1497, 1512, 1545, 1854, 1890, 1996, 2060, 2163, 2472, 2495, 2520, 2781, 2884, 2994, 3090, 3493, 3605, 3708, 3780, 3992, 4120, 4326, 4491, 4635, 4990, 5562, 5768, 5988, 6180, 6489, 6986, 7210, 7416, 7485, 7560, 8652, 8982, 9270, 9980, 10479, 10815, 11124, 11976, 12360, 12978, 13473, 13905, 13972, 14420, 14970, 17304, 17465, 17964, 18540, 19467, 19960, 20958, 21630, 22248, 22455, 25956, 26946, 27810, 27944, 28840, 29940, 31437, 32445, 34930, 35928, 37080, 38934, 41916, 43260, 44910, 51397, 51912, 52395, 53892, 55620, 59880, 62874, 64890, 67365, 69860, 77868, 83832, 86520, 89820, 94311, 97335, 102794, 104790, 107784, 111240, 125748, 129780, 134730, 139720, 154191, 155736, 157185, 179640, 188622, 194670, 205588, 209580, 251496, 256985, 259560, 269460, 308382, 314370, 359779, 377244, 389340, 411176, 419160, 462573, 471555, 513970, 538920, 616764, 628740, 719558, 754488, 770955, 778680, 925146, 943110, 1027940, 1079337, 1233528, 1257480, 1387719, 1439116, 1541910, 1798895, 1850292, 1886220, 2055880, 2158674, 2312865, 2775438, 2878232, 3083820, 3238011, 3597790, 3700584, 3772440, 4317348, 4625730, 5396685, 5550876, 6167640, 6476022, 6938595, 7195580, 8634696, 9251460, 9714033, 10793370, 11101752, 12952044, 13877190, 14391160, 16190055, 18502920, 19428066, 21586740, 25904088, 27754380, 32380110, 38856132, 43173480, 48570165, 55508760, 64760220, 77712264, 97140330, 129520440, 194280660, 388561320]

約数ペア:

[(1, 388561320), (2, 194280660), (3, 129520440), (4, 97140330), (5, 77712264), (6, 64760220), (7, 55508760), (8, 48570165), (9, 43173480), (10, 38856132), (12, 32380110), (14, 27754380), (15, 25904088), (18, 21586740), (20, 19428066), (21, 18502920), (24, 16190055), (27, 14391160), (28, 13877190), (30, 12952044), (35, 11101752), (36, 10793370), (40, 9714033), (42, 9251460), (45, 8634696), (54, 7195580), (56, 6938595), (60, 6476022), (63, 6167640), (70, 5550876), (72, 5396685), (84, 4625730), (90, 4317348), (103, 3772440), (105, 3700584), (108, 3597790), (120, 3238011), (126, 3083820), (135, 2878232), (140, 2775438), (168, 2312865), (180, 2158674), (189, 2055880), (206, 1886220), (210, 1850292), (216, 1798895), (252, 1541910), (270, 1439116), (280, 1387719), (309, 1257480), (315, 1233528), (360, 1079337), (378, 1027940), (412, 943110), (420, 925146), (499, 778680), (504, 770955), (515, 754488), (540, 719558), (618, 628740), (630, 616764), (721, 538920), (756, 513970), (824, 471555), (840, 462573), (927, 419160), (945, 411176), (998, 389340), (1030, 377244), (1080, 359779), (1236, 314370), (1260, 308382), (1442, 269460), (1497, 259560), (1512, 256985), (1545, 251496), (1854, 209580), (1890, 205588), (1996, 194670), (2060, 188622), (2163, 179640), (2472, 157185), (2495, 155736), (2520, 154191), (2781, 139720), (2884, 134730), (2994, 129780), (3090, 125748), (3493, 111240), (3605, 107784), (3708, 104790), (3780, 102794), (3992, 97335), (4120, 94311), (4326, 89820), (4491, 86520), (4635, 83832), (4990, 77868), (5562, 69860), (5768, 67365), (5988, 64890), (6180, 62874), (6489, 59880), (6986, 55620), (7210, 53892), (7416, 52395), (7485, 51912), (7560, 51397), (8652, 44910), (8982, 43260), (9270, 41916), (9980, 38934), (10479, 37080), (10815, 35928), (11124, 34930), (11976, 32445), (12360, 31437), (12978, 29940), (13473, 28840), (13905, 27944), (13972, 27810), (14420, 26946), (14970, 25956), (17304, 22455), (17465, 22248), (17964, 21630), (18540, 20958), (19467, 19960)]