490710080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 224

約数和(自身を含む): 1404518400

約数和(自身を除く): 913808320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 59, 64, 70, 79, 80, 94, 112, 118, 140, 158, 160, 188, 224, 235, 236, 280, 295, 316, 320, 329, 376, 395, 413, 448, 470, 472, 553, 560, 590, 632, 658, 752, 790, 826, 940, 944, 1106, 1120, 1180, 1264, 1316, 1504, 1580, 1645, 1652, 1880, 1888, 2065, 2212, 2240, 2360, 2528, 2632, 2765, 2773, 3008, 3160, 3290, 3304, 3713, 3760, 3776, 4130, 4424, 4661, 4720, 5056, 5264, 5530, 5546, 6320, 6580, 6608, 7426, 7520, 8260, 8848, 9322, 9440, 10528, 11060, 11092, 12640, 13160, 13216, 13865, 14852, 15040, 16520, 17696, 18565, 18644, 18880, 19411, 21056, 22120, 22184, 23305, 25280, 25991, 26320, 26432, 27730, 29704, 32627, 33040, 35392, 37130, 37288, 38822, 44240, 44368, 46610, 51982, 52640, 55460, 59408, 65254, 66080, 74260, 74576, 77644, 88480, 88736, 93220, 97055, 103964, 105280, 110920, 118816, 129955, 130508, 132160, 148520, 149152, 155288, 163135, 176960, 177472, 186440, 194110, 207928, 219067, 221840, 237632, 259910, 261016, 297040, 298304, 310576, 326270, 372880, 388220, 415856, 438134, 443680, 519820, 522032, 594080, 621152, 652540, 745760, 776440, 831712, 876268, 887360, 1039640, 1044064, 1095335, 1188160, 1242304, 1305080, 1491520, 1533469, 1552880, 1663424, 1752536, 2079280, 2088128, 2190670, 2610160, 3066938, 3105760, 3505072, 4158560, 4381340, 5220320, 6133876, 6211520, 7010144, 7667345, 8317120, 8762680, 10440640, 12267752, 14020288, 15334690, 17525360, 24535504, 30669380, 35050720, 49071008, 61338760, 70101440, 98142016, 122677520, 245355040, 490710080]

約数ペア:

[(1, 490710080), (2, 245355040), (4, 122677520), (5, 98142016), (7, 70101440), (8, 61338760), (10, 49071008), (14, 35050720), (16, 30669380), (20, 24535504), (28, 17525360), (32, 15334690), (35, 14020288), (40, 12267752), (47, 10440640), (56, 8762680), (59, 8317120), (64, 7667345), (70, 7010144), (79, 6211520), (80, 6133876), (94, 5220320), (112, 4381340), (118, 4158560), (140, 3505072), (158, 3105760), (160, 3066938), (188, 2610160), (224, 2190670), (235, 2088128), (236, 2079280), (280, 1752536), (295, 1663424), (316, 1552880), (320, 1533469), (329, 1491520), (376, 1305080), (395, 1242304), (413, 1188160), (448, 1095335), (470, 1044064), (472, 1039640), (553, 887360), (560, 876268), (590, 831712), (632, 776440), (658, 745760), (752, 652540), (790, 621152), (826, 594080), (940, 522032), (944, 519820), (1106, 443680), (1120, 438134), (1180, 415856), (1264, 388220), (1316, 372880), (1504, 326270), (1580, 310576), (1645, 298304), (1652, 297040), (1880, 261016), (1888, 259910), (2065, 237632), (2212, 221840), (2240, 219067), (2360, 207928), (2528, 194110), (2632, 186440), (2765, 177472), (2773, 176960), (3008, 163135), (3160, 155288), (3290, 149152), (3304, 148520), (3713, 132160), (3760, 130508), (3776, 129955), (4130, 118816), (4424, 110920), (4661, 105280), (4720, 103964), (5056, 97055), (5264, 93220), (5530, 88736), (5546, 88480), (6320, 77644), (6580, 74576), (6608, 74260), (7426, 66080), (7520, 65254), (8260, 59408), (8848, 55460), (9322, 52640), (9440, 51982), (10528, 46610), (11060, 44368), (11092, 44240), (12640, 38822), (13160, 37288), (13216, 37130), (13865, 35392), (14852, 33040), (15040, 32627), (16520, 29704), (17696, 27730), (18565, 26432), (18644, 26320), (18880, 25991), (19411, 25280), (21056, 23305), (22120, 22184)]