1638077840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:614

約数の個数: 240

約数和(自身を含む): 4799907072

約数和(自身を除く): 3161829232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 47, 49, 56, 68, 70, 80, 85, 94, 98, 112, 119, 136, 140, 170, 188, 196, 235, 238, 245, 272, 280, 329, 340, 376, 392, 470, 476, 490, 523, 560, 595, 658, 680, 752, 784, 799, 833, 940, 952, 980, 1046, 1190, 1316, 1360, 1598, 1645, 1666, 1880, 1904, 1960, 2092, 2303, 2380, 2615, 2632, 3196, 3290, 3332, 3661, 3760, 3920, 3995, 4165, 4184, 4606, 4760, 5230, 5264, 5593, 6392, 6580, 6664, 7322, 7990, 8330, 8368, 8891, 9212, 9520, 10460, 11186, 11515, 12784, 13160, 13328, 14644, 15980, 16660, 17782, 18305, 18424, 20920, 22372, 23030, 24581, 25627, 26320, 27965, 29288, 31960, 33320, 35564, 36610, 36848, 39151, 41840, 44455, 44744, 46060, 49162, 51254, 55930, 58576, 62237, 63920, 66640, 71128, 73220, 78302, 88910, 89488, 92120, 98324, 102508, 111860, 122905, 124474, 128135, 142256, 146440, 156604, 172067, 177820, 184240, 195755, 196648, 205016, 223720, 245810, 248948, 256270, 292880, 311185, 313208, 344134, 355640, 391510, 393296, 410032, 417877, 435659, 447440, 491620, 497896, 512540, 622370, 626416, 688268, 711280, 783020, 835754, 860335, 871318, 983240, 995792, 1025080, 1204469, 1244740, 1376536, 1566040, 1671508, 1720670, 1742636, 1966480, 2050160, 2089385, 2178295, 2408938, 2489480, 2753072, 2925139, 3132080, 3343016, 3441340, 3485272, 4178770, 4356590, 4817876, 4978960, 5850278, 6022345, 6686032, 6882680, 6970544, 8357540, 8713180, 9635752, 11700556, 12044690, 13765360, 14625695, 16715080, 17426360, 19271504, 20475973, 23401112, 24089380, 29251390, 33430160, 34852720, 40951946, 46802224, 48178760, 58502780, 81903892, 96357520, 102379865, 117005560, 163807784, 204759730, 234011120, 327615568, 409519460, 819038920, 1638077840]

約数ペア:

[(1, 1638077840), (2, 819038920), (4, 409519460), (5, 327615568), (7, 234011120), (8, 204759730), (10, 163807784), (14, 117005560), (16, 102379865), (17, 96357520), (20, 81903892), (28, 58502780), (34, 48178760), (35, 46802224), (40, 40951946), (47, 34852720), (49, 33430160), (56, 29251390), (68, 24089380), (70, 23401112), (80, 20475973), (85, 19271504), (94, 17426360), (98, 16715080), (112, 14625695), (119, 13765360), (136, 12044690), (140, 11700556), (170, 9635752), (188, 8713180), (196, 8357540), (235, 6970544), (238, 6882680), (245, 6686032), (272, 6022345), (280, 5850278), (329, 4978960), (340, 4817876), (376, 4356590), (392, 4178770), (470, 3485272), (476, 3441340), (490, 3343016), (523, 3132080), (560, 2925139), (595, 2753072), (658, 2489480), (680, 2408938), (752, 2178295), (784, 2089385), (799, 2050160), (833, 1966480), (940, 1742636), (952, 1720670), (980, 1671508), (1046, 1566040), (1190, 1376536), (1316, 1244740), (1360, 1204469), (1598, 1025080), (1645, 995792), (1666, 983240), (1880, 871318), (1904, 860335), (1960, 835754), (2092, 783020), (2303, 711280), (2380, 688268), (2615, 626416), (2632, 622370), (3196, 512540), (3290, 497896), (3332, 491620), (3661, 447440), (3760, 435659), (3920, 417877), (3995, 410032), (4165, 393296), (4184, 391510), (4606, 355640), (4760, 344134), (5230, 313208), (5264, 311185), (5593, 292880), (6392, 256270), (6580, 248948), (6664, 245810), (7322, 223720), (7990, 205016), (8330, 196648), (8368, 195755), (8891, 184240), (9212, 177820), (9520, 172067), (10460, 156604), (11186, 146440), (11515, 142256), (12784, 128135), (13160, 124474), (13328, 122905), (14644, 111860), (15980, 102508), (16660, 98324), (17782, 92120), (18305, 89488), (18424, 88910), (20920, 78302), (22372, 73220), (23030, 71128), (24581, 66640), (25627, 63920), (26320, 62237), (27965, 58576), (29288, 55930), (31960, 51254), (33320, 49162), (35564, 46060), (36610, 44744), (36848, 44455), (39151, 41840)]