686580480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:691

約数の個数: 216

約数和(自身を含む): 2402002512

約数和(自身を除く): 1715422032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 107, 120, 128, 144, 160, 180, 192, 214, 240, 256, 288, 320, 321, 360, 384, 428, 480, 535, 557, 576, 640, 642, 720, 768, 856, 960, 963, 1070, 1114, 1152, 1280, 1284, 1440, 1605, 1671, 1712, 1920, 1926, 2140, 2228, 2304, 2568, 2785, 2880, 3210, 3342, 3424, 3840, 3852, 4280, 4456, 4815, 5013, 5136, 5570, 5760, 6420, 6684, 6848, 7704, 8355, 8560, 8912, 9630, 10026, 10272, 11140, 11520, 12840, 13368, 13696, 15408, 16710, 17120, 17824, 19260, 20052, 20544, 22280, 25065, 25680, 26736, 27392, 30816, 33420, 34240, 35648, 38520, 40104, 41088, 44560, 50130, 51360, 53472, 59599, 61632, 66840, 68480, 71296, 77040, 80208, 82176, 89120, 100260, 102720, 106944, 119198, 123264, 133680, 136960, 142592, 154080, 160416, 178240, 178797, 200520, 205440, 213888, 238396, 246528, 267360, 297995, 308160, 320832, 356480, 357594, 401040, 410880, 427776, 476792, 534720, 536391, 595990, 616320, 641664, 712960, 715188, 802080, 893985, 953584, 1069440, 1072782, 1191980, 1232640, 1283328, 1430376, 1604160, 1787970, 1907168, 2138880, 2145564, 2383960, 2681955, 2860752, 3208320, 3575940, 3814336, 4291128, 4767920, 5363910, 5721504, 6416640, 7151880, 7628672, 8582256, 9535840, 10727820, 11443008, 14303760, 15257344, 17164512, 19071680, 21455640, 22886016, 28607520, 34329024, 38143360, 42911280, 45772032, 57215040, 68658048, 76286720, 85822560, 114430080, 137316096, 171645120, 228860160, 343290240, 686580480]

約数ペア:

[(1, 686580480), (2, 343290240), (3, 228860160), (4, 171645120), (5, 137316096), (6, 114430080), (8, 85822560), (9, 76286720), (10, 68658048), (12, 57215040), (15, 45772032), (16, 42911280), (18, 38143360), (20, 34329024), (24, 28607520), (30, 22886016), (32, 21455640), (36, 19071680), (40, 17164512), (45, 15257344), (48, 14303760), (60, 11443008), (64, 10727820), (72, 9535840), (80, 8582256), (90, 7628672), (96, 7151880), (107, 6416640), (120, 5721504), (128, 5363910), (144, 4767920), (160, 4291128), (180, 3814336), (192, 3575940), (214, 3208320), (240, 2860752), (256, 2681955), (288, 2383960), (320, 2145564), (321, 2138880), (360, 1907168), (384, 1787970), (428, 1604160), (480, 1430376), (535, 1283328), (557, 1232640), (576, 1191980), (640, 1072782), (642, 1069440), (720, 953584), (768, 893985), (856, 802080), (960, 715188), (963, 712960), (1070, 641664), (1114, 616320), (1152, 595990), (1280, 536391), (1284, 534720), (1440, 476792), (1605, 427776), (1671, 410880), (1712, 401040), (1920, 357594), (1926, 356480), (2140, 320832), (2228, 308160), (2304, 297995), (2568, 267360), (2785, 246528), (2880, 238396), (3210, 213888), (3342, 205440), (3424, 200520), (3840, 178797), (3852, 178240), (4280, 160416), (4456, 154080), (4815, 142592), (5013, 136960), (5136, 133680), (5570, 123264), (5760, 119198), (6420, 106944), (6684, 102720), (6848, 100260), (7704, 89120), (8355, 82176), (8560, 80208), (8912, 77040), (9630, 71296), (10026, 68480), (10272, 66840), (11140, 61632), (11520, 59599), (12840, 53472), (13368, 51360), (13696, 50130), (15408, 44560), (16710, 41088), (17120, 40104), (17824, 38520), (19260, 35648), (20052, 34240), (20544, 33420), (22280, 30816), (25065, 27392), (25680, 26736)]