1561268576

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1661

約数の個数: 144

約数和(自身を含む): 3890690496

約数和(自身を除く): 2329421920

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 37, 49, 56, 68, 74, 98, 112, 119, 136, 148, 196, 224, 238, 259, 272, 296, 392, 476, 518, 544, 592, 629, 784, 833, 952, 1036, 1184, 1258, 1568, 1583, 1666, 1813, 1904, 2072, 2516, 3166, 3332, 3626, 3808, 4144, 4403, 5032, 6332, 6664, 7252, 8288, 8806, 10064, 11081, 12664, 13328, 14504, 17612, 20128, 22162, 25328, 26656, 26911, 29008, 30821, 35224, 44324, 50656, 53822, 58016, 58571, 61642, 70448, 77567, 88648, 107644, 117142, 123284, 140896, 155134, 177296, 188377, 215288, 234284, 246568, 310268, 354592, 376754, 409997, 430576, 468568, 493136, 620536, 753508, 819994, 861152, 937136, 986272, 995707, 1241072, 1318639, 1507016, 1639988, 1874272, 1991414, 2482144, 2637278, 2869979, 3014032, 3279976, 3982828, 5274556, 5739958, 6028064, 6559952, 6969949, 7965656, 10549112, 11479916, 13119904, 13939898, 15931312, 21098224, 22959832, 27879796, 31862624, 42196448, 45919664, 48789643, 55759592, 91839328, 97579286, 111519184, 195158572, 223038368, 390317144, 780634288, 1561268576]

約数ペア:

[(1, 1561268576), (2, 780634288), (4, 390317144), (7, 223038368), (8, 195158572), (14, 111519184), (16, 97579286), (17, 91839328), (28, 55759592), (32, 48789643), (34, 45919664), (37, 42196448), (49, 31862624), (56, 27879796), (68, 22959832), (74, 21098224), (98, 15931312), (112, 13939898), (119, 13119904), (136, 11479916), (148, 10549112), (196, 7965656), (224, 6969949), (238, 6559952), (259, 6028064), (272, 5739958), (296, 5274556), (392, 3982828), (476, 3279976), (518, 3014032), (544, 2869979), (592, 2637278), (629, 2482144), (784, 1991414), (833, 1874272), (952, 1639988), (1036, 1507016), (1184, 1318639), (1258, 1241072), (1568, 995707), (1583, 986272), (1666, 937136), (1813, 861152), (1904, 819994), (2072, 753508), (2516, 620536), (3166, 493136), (3332, 468568), (3626, 430576), (3808, 409997), (4144, 376754), (4403, 354592), (5032, 310268), (6332, 246568), (6664, 234284), (7252, 215288), (8288, 188377), (8806, 177296), (10064, 155134), (11081, 140896), (12664, 123284), (13328, 117142), (14504, 107644), (17612, 88648), (20128, 77567), (22162, 70448), (25328, 61642), (26656, 58571), (26911, 58016), (29008, 53822), (30821, 50656), (35224, 44324)]