245360640

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^2\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 288

約数和(自身を含む): 918721440

約数和(自身を除く): 673360800

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, 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, 12544, 13040, 13440, 13692, 14336, 15360, 15648, 15680, 15974, 17115, 17920, 18256, 18816, 19560, 20864, 21504, 22820, 23520, 23961, 25088, 26080, 26880, 27384, 30720, 31296, 31360, 31948, 34230, 35840, 36512, 37632, 39120, 39935, 41728, 43008, 45640, 47040, 47922, 50176, 52160, 53760, 54768, 62592, 62720, 63896, 68460, 71680, 73024, 75264, 78240, 79870, 83456, 91280, 94080, 95844, 100352, 104320, 107520, 109536, 119805, 125184, 125440, 127792, 136920, 146048, 150528, 156480, 159740, 166912, 182560, 188160, 191688, 208640, 215040, 219072, 239610, 250368, 250880, 255584, 273840, 292096, 301056, 312960, 319480, 333824, 365120, 376320, 383376, 417280, 438144, 479220, 500736, 501760, 511168, 547680, 584192, 625920, 638960, 730240, 752640, 766752, 834560, 876288, 958440, 1001472, 1022336, 1095360, 1168384, 1251840, 1277920, 1460480, 1505280, 1533504, 1669120, 1752576, 1916880, 2044672, 2190720, 2336768, 2503680, 2555840, 2920960, 3067008, 3505152, 3833760, 4089344, 4381440, 5007360, 5111680, 5841920, 6134016, 7010304, 7667520, 8178688, 8762880, 10223360, 11683840, 12268032, 15335040, 16357376, 17525760, 20446720, 24536064, 30670080, 35051520, 40893440, 49072128, 61340160, 81786880, 122680320, 245360640]

約数ペア:

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