1379391720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{34939}}^1$

素因数の和:35007

約数の個数: 128

約数和(自身を含む): 4830105600

約数和(自身を除く): 3450713880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7896, 9870, 13160, 19740, 34939, 39480, 69878, 104817, 139756, 174695, 209634, 244573, 279512, 349390, 419268, 489146, 524085, 698780, 733719, 838536, 978292, 1048170, 1222865, 1397560, 1467438, 1642133, 1956584, 2096340, 2445730, 2934876, 3284266, 3668595, 4192680, 4891460, 4926399, 5869752, 6568532, 7337190, 8210665, 9782920, 9852798, 11494931, 13137064, 14674380, 16421330, 19705596, 22989862, 24631995, 29348760, 32842660, 34484793, 39411192, 45979724, 49263990, 57474655, 65685320, 68969586, 91959448, 98527980, 114949310, 137939172, 172423965, 197055960, 229898620, 275878344, 344847930, 459797240, 689695860, 1379391720]

約数ペア:

[(1, 1379391720), (2, 689695860), (3, 459797240), (4, 344847930), (5, 275878344), (6, 229898620), (7, 197055960), (8, 172423965), (10, 137939172), (12, 114949310), (14, 98527980), (15, 91959448), (20, 68969586), (21, 65685320), (24, 57474655), (28, 49263990), (30, 45979724), (35, 39411192), (40, 34484793), (42, 32842660), (47, 29348760), (56, 24631995), (60, 22989862), (70, 19705596), (84, 16421330), (94, 14674380), (105, 13137064), (120, 11494931), (140, 9852798), (141, 9782920), (168, 8210665), (188, 7337190), (210, 6568532), (235, 5869752), (280, 4926399), (282, 4891460), (329, 4192680), (376, 3668595), (420, 3284266), (470, 2934876), (564, 2445730), (658, 2096340), (705, 1956584), (840, 1642133), (940, 1467438), (987, 1397560), (1128, 1222865), (1316, 1048170), (1410, 978292), (1645, 838536), (1880, 733719), (1974, 698780), (2632, 524085), (2820, 489146), (3290, 419268), (3948, 349390), (4935, 279512), (5640, 244573), (6580, 209634), (7896, 174695), (9870, 139756), (13160, 104817), (19740, 69878), (34939, 39480)]