490721280

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 312

約数和(自身を含む): 1837667232

約数和(自身を除く): 1346945952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 163, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 326, 336, 384, 392, 420, 448, 480, 489, 490, 512, 560, 588, 640, 652, 672, 735, 768, 784, 815, 840, 896, 960, 978, 980, 1024, 1120, 1141, 1176, 1280, 1304, 1344, 1470, 1536, 1568, 1630, 1680, 1792, 1920, 1956, 1960, 2048, 2240, 2282, 2352, 2445, 2560, 2608, 2688, 2940, 3072, 3136, 3260, 3360, 3423, 3584, 3840, 3912, 3920, 4096, 4480, 4564, 4704, 4890, 5120, 5216, 5376, 5705, 5880, 6144, 6272, 6520, 6720, 6846, 7168, 7680, 7824, 7840, 7987, 8960, 9128, 9408, 9780, 10240, 10432, 10752, 11410, 11760, 12288, 12544, 13040, 13440, 13692, 14336, 15360, 15648, 15680, 15974, 17115, 17920, 18256, 18816, 19560, 20480, 20864, 21504, 22820, 23520, 23961, 25088, 26080, 26880, 27384, 28672, 30720, 31296, 31360, 31948, 34230, 35840, 36512, 37632, 39120, 39935, 41728, 43008, 45640, 47040, 47922, 50176, 52160, 53760, 54768, 61440, 62592, 62720, 63896, 68460, 71680, 73024, 75264, 78240, 79870, 83456, 86016, 91280, 94080, 95844, 100352, 104320, 107520, 109536, 119805, 125184, 125440, 127792, 136920, 143360, 146048, 150528, 156480, 159740, 166912, 182560, 188160, 191688, 200704, 208640, 215040, 219072, 239610, 250368, 250880, 255584, 273840, 292096, 301056, 312960, 319480, 333824, 365120, 376320, 383376, 417280, 430080, 438144, 479220, 500736, 501760, 511168, 547680, 584192, 602112, 625920, 638960, 667648, 730240, 752640, 766752, 834560, 876288, 958440, 1001472, 1003520, 1022336, 1095360, 1168384, 1251840, 1277920, 1460480, 1505280, 1533504, 1669120, 1752576, 1916880, 2002944, 2044672, 2190720, 2336768, 2503680, 2555840, 2920960, 3010560, 3067008, 3338240, 3505152, 3833760, 4089344, 4381440, 4673536, 5007360, 5111680, 5841920, 6134016, 7010304, 7667520, 8178688, 8762880, 10014720, 10223360, 11683840, 12268032, 14020608, 15335040, 16357376, 17525760, 20446720, 23367680, 24536064, 30670080, 32714752, 35051520, 40893440, 49072128, 61340160, 70103040, 81786880, 98144256, 122680320, 163573760, 245360640, 490721280]

約数ペア:

[(1, 490721280), (2, 245360640), (3, 163573760), (4, 122680320), (5, 98144256), (6, 81786880), (7, 70103040), (8, 61340160), (10, 49072128), (12, 40893440), (14, 35051520), (15, 32714752), (16, 30670080), (20, 24536064), (21, 23367680), (24, 20446720), (28, 17525760), (30, 16357376), (32, 15335040), (35, 14020608), (40, 12268032), (42, 11683840), (48, 10223360), (49, 10014720), (56, 8762880), (60, 8178688), (64, 7667520), (70, 7010304), (80, 6134016), (84, 5841920), (96, 5111680), (98, 5007360), (105, 4673536), (112, 4381440), (120, 4089344), (128, 3833760), (140, 3505152), (147, 3338240), (160, 3067008), (163, 3010560), (168, 2920960), (192, 2555840), (196, 2503680), (210, 2336768), (224, 2190720), (240, 2044672), (245, 2002944), (256, 1916880), (280, 1752576), (294, 1669120), (320, 1533504), (326, 1505280), (336, 1460480), (384, 1277920), (392, 1251840), (420, 1168384), (448, 1095360), (480, 1022336), (489, 1003520), (490, 1001472), (512, 958440), (560, 876288), (588, 834560), (640, 766752), (652, 752640), (672, 730240), (735, 667648), (768, 638960), (784, 625920), (815, 602112), (840, 584192), (896, 547680), (960, 511168), (978, 501760), (980, 500736), (1024, 479220), (1120, 438144), (1141, 430080), (1176, 417280), (1280, 383376), (1304, 376320), (1344, 365120), (1470, 333824), (1536, 319480), (1568, 312960), (1630, 301056), (1680, 292096), (1792, 273840), (1920, 255584), (1956, 250880), (1960, 250368), (2048, 239610), (2240, 219072), (2282, 215040), (2352, 208640), (2445, 200704), (2560, 191688), (2608, 188160), (2688, 182560), (2940, 166912), (3072, 159740), (3136, 156480), (3260, 150528), (3360, 146048), (3423, 143360), (3584, 136920), (3840, 127792), (3912, 125440), (3920, 125184), (4096, 119805), (4480, 109536), (4564, 107520), (4704, 104320), (4890, 100352), (5120, 95844), (5216, 94080), (5376, 91280), (5705, 86016), (5880, 83456), (6144, 79870), (6272, 78240), (6520, 75264), (6720, 73024), (6846, 71680), (7168, 68460), (7680, 63896), (7824, 62720), (7840, 62592), (7987, 61440), (8960, 54768), (9128, 53760), (9408, 52160), (9780, 50176), (10240, 47922), (10432, 47040), (10752, 45640), (11410, 43008), (11760, 41728), (12288, 39935), (12544, 39120), (13040, 37632), (13440, 36512), (13692, 35840), (14336, 34230), (15360, 31948), (15648, 31360), (15680, 31296), (15974, 30720), (17115, 28672), (17920, 27384), (18256, 26880), (18816, 26080), (19560, 25088), (20480, 23961), (20864, 23520), (21504, 22820)]