215371520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 650041056

約数和(自身を除く): 434669536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 43, 52, 56, 64, 65, 70, 80, 86, 91, 104, 112, 128, 130, 140, 160, 172, 182, 208, 215, 224, 256, 260, 280, 301, 320, 344, 364, 416, 430, 448, 455, 520, 559, 560, 602, 640, 688, 728, 832, 860, 896, 910, 1040, 1118, 1120, 1204, 1280, 1376, 1456, 1505, 1664, 1720, 1792, 1820, 1849, 2080, 2236, 2240, 2408, 2752, 2795, 2912, 3010, 3328, 3440, 3640, 3698, 3913, 4160, 4472, 4480, 4816, 5504, 5590, 5824, 6020, 6880, 7280, 7396, 7826, 8320, 8944, 8960, 9245, 9632, 11008, 11180, 11648, 12040, 12943, 13760, 14560, 14792, 15652, 16640, 17888, 18490, 19264, 19565, 22360, 23296, 24037, 24080, 25886, 27520, 29120, 29584, 31304, 35776, 36980, 38528, 39130, 44720, 48074, 48160, 51772, 55040, 58240, 59168, 62608, 64715, 71552, 73960, 77056, 78260, 89440, 96148, 96320, 103544, 116480, 118336, 120185, 125216, 129430, 143104, 147920, 156520, 168259, 178880, 192296, 192640, 207088, 236672, 240370, 250432, 258860, 295840, 313040, 336518, 357760, 384592, 385280, 414176, 473344, 480740, 500864, 517720, 591680, 626080, 673036, 715520, 769184, 828352, 841295, 961480, 1001728, 1035440, 1183360, 1252160, 1346072, 1538368, 1656704, 1682590, 1922960, 2070880, 2366720, 2504320, 2692144, 3076736, 3313408, 3365180, 3845920, 4141760, 5008640, 5384288, 6153472, 6730360, 7691840, 8283520, 10768576, 13460720, 15383680, 16567040, 21537152, 26921440, 30767360, 43074304, 53842880, 107685760, 215371520]

約数ペア:

[(1, 215371520), (2, 107685760), (4, 53842880), (5, 43074304), (7, 30767360), (8, 26921440), (10, 21537152), (13, 16567040), (14, 15383680), (16, 13460720), (20, 10768576), (26, 8283520), (28, 7691840), (32, 6730360), (35, 6153472), (40, 5384288), (43, 5008640), (52, 4141760), (56, 3845920), (64, 3365180), (65, 3313408), (70, 3076736), (80, 2692144), (86, 2504320), (91, 2366720), (104, 2070880), (112, 1922960), (128, 1682590), (130, 1656704), (140, 1538368), (160, 1346072), (172, 1252160), (182, 1183360), (208, 1035440), (215, 1001728), (224, 961480), (256, 841295), (260, 828352), (280, 769184), (301, 715520), (320, 673036), (344, 626080), (364, 591680), (416, 517720), (430, 500864), (448, 480740), (455, 473344), (520, 414176), (559, 385280), (560, 384592), (602, 357760), (640, 336518), (688, 313040), (728, 295840), (832, 258860), (860, 250432), (896, 240370), (910, 236672), (1040, 207088), (1118, 192640), (1120, 192296), (1204, 178880), (1280, 168259), (1376, 156520), (1456, 147920), (1505, 143104), (1664, 129430), (1720, 125216), (1792, 120185), (1820, 118336), (1849, 116480), (2080, 103544), (2236, 96320), (2240, 96148), (2408, 89440), (2752, 78260), (2795, 77056), (2912, 73960), (3010, 71552), (3328, 64715), (3440, 62608), (3640, 59168), (3698, 58240), (3913, 55040), (4160, 51772), (4472, 48160), (4480, 48074), (4816, 44720), (5504, 39130), (5590, 38528), (5824, 36980), (6020, 35776), (6880, 31304), (7280, 29584), (7396, 29120), (7826, 27520), (8320, 25886), (8944, 24080), (8960, 24037), (9245, 23296), (9632, 22360), (11008, 19565), (11180, 19264), (11648, 18490), (12040, 17888), (12943, 16640), (13760, 15652), (14560, 14792)]