1209393920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 216

約数和(自身を含む): 3435931296

約数和(自身を除く): 2226537376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 73, 80, 86, 112, 128, 140, 146, 160, 172, 215, 224, 256, 280, 292, 301, 320, 344, 365, 430, 448, 511, 560, 584, 602, 640, 688, 730, 860, 896, 1022, 1120, 1168, 1204, 1280, 1376, 1460, 1505, 1720, 1792, 1849, 2044, 2240, 2336, 2408, 2555, 2752, 2920, 3010, 3139, 3440, 3698, 4088, 4480, 4672, 4816, 5110, 5504, 5840, 6020, 6278, 6880, 7396, 8176, 8960, 9245, 9344, 9632, 10220, 11008, 11680, 12040, 12556, 12943, 13760, 14792, 15695, 16352, 18490, 18688, 19264, 20440, 21973, 23360, 24080, 25112, 25886, 27520, 29584, 31390, 32704, 36980, 38528, 40880, 43946, 46720, 48160, 50224, 51772, 55040, 59168, 62780, 64715, 65408, 73960, 77056, 81760, 87892, 93440, 96320, 100448, 103544, 109865, 118336, 125560, 129430, 130816, 134977, 147920, 163520, 175784, 192640, 200896, 207088, 219730, 236672, 251120, 258860, 269954, 295840, 327040, 351568, 385280, 401792, 414176, 439460, 473344, 502240, 517720, 539908, 591680, 654080, 674885, 703136, 803584, 828352, 878920, 944839, 1004480, 1035440, 1079816, 1183360, 1349770, 1406272, 1656704, 1757840, 1889678, 2008960, 2070880, 2159632, 2366720, 2699540, 2812544, 3313408, 3515680, 3779356, 4017920, 4141760, 4319264, 4724195, 5399080, 5625088, 7031360, 7558712, 8283520, 8638528, 9448390, 10798160, 14062720, 15117424, 16567040, 17277056, 18896780, 21596320, 28125440, 30234848, 34554112, 37793560, 43192640, 60469696, 75587120, 86385280, 120939392, 151174240, 172770560, 241878784, 302348480, 604696960, 1209393920]

約数ペア:

[(1, 1209393920), (2, 604696960), (4, 302348480), (5, 241878784), (7, 172770560), (8, 151174240), (10, 120939392), (14, 86385280), (16, 75587120), (20, 60469696), (28, 43192640), (32, 37793560), (35, 34554112), (40, 30234848), (43, 28125440), (56, 21596320), (64, 18896780), (70, 17277056), (73, 16567040), (80, 15117424), (86, 14062720), (112, 10798160), (128, 9448390), (140, 8638528), (146, 8283520), (160, 7558712), (172, 7031360), (215, 5625088), (224, 5399080), (256, 4724195), (280, 4319264), (292, 4141760), (301, 4017920), (320, 3779356), (344, 3515680), (365, 3313408), (430, 2812544), (448, 2699540), (511, 2366720), (560, 2159632), (584, 2070880), (602, 2008960), (640, 1889678), (688, 1757840), (730, 1656704), (860, 1406272), (896, 1349770), (1022, 1183360), (1120, 1079816), (1168, 1035440), (1204, 1004480), (1280, 944839), (1376, 878920), (1460, 828352), (1505, 803584), (1720, 703136), (1792, 674885), (1849, 654080), (2044, 591680), (2240, 539908), (2336, 517720), (2408, 502240), (2555, 473344), (2752, 439460), (2920, 414176), (3010, 401792), (3139, 385280), (3440, 351568), (3698, 327040), (4088, 295840), (4480, 269954), (4672, 258860), (4816, 251120), (5110, 236672), (5504, 219730), (5840, 207088), (6020, 200896), (6278, 192640), (6880, 175784), (7396, 163520), (8176, 147920), (8960, 134977), (9245, 130816), (9344, 129430), (9632, 125560), (10220, 118336), (11008, 109865), (11680, 103544), (12040, 100448), (12556, 96320), (12943, 93440), (13760, 87892), (14792, 81760), (15695, 77056), (16352, 73960), (18490, 65408), (18688, 64715), (19264, 62780), (20440, 59168), (21973, 55040), (23360, 51772), (24080, 50224), (25112, 48160), (25886, 46720), (27520, 43946), (29584, 40880), (31390, 38528), (32704, 36980)]