680946968

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 1526817600

約数和(自身を除く): 845870632

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 53, 68, 86, 104, 106, 136, 169, 172, 212, 221, 338, 344, 424, 442, 559, 676, 689, 731, 884, 901, 1118, 1352, 1378, 1462, 1768, 1802, 2197, 2236, 2279, 2756, 2873, 2924, 3604, 4394, 4472, 4558, 5512, 5746, 5848, 7208, 7267, 8788, 8957, 9116, 9503, 11492, 11713, 14534, 17576, 17914, 18232, 19006, 22984, 23426, 29068, 29627, 35828, 37349, 38012, 38743, 46852, 58136, 59254, 71656, 74698, 76024, 77486, 93704, 94471, 116441, 118508, 123539, 149396, 152269, 154972, 188942, 232882, 237016, 247078, 298792, 304538, 309944, 377884, 385151, 465764, 494156, 503659, 609076, 755768, 770302, 931528, 988312, 1007318, 1218152, 1540604, 1606007, 1979497, 2014636, 3081208, 3212014, 3958994, 4029272, 5006963, 6424028, 6547567, 7917988, 10013926, 12848056, 13095134, 15835976, 20027852, 26190268, 40055704, 52380536, 85118371, 170236742, 340473484, 680946968]

約数ペア:

[(1, 680946968), (2, 340473484), (4, 170236742), (8, 85118371), (13, 52380536), (17, 40055704), (26, 26190268), (34, 20027852), (43, 15835976), (52, 13095134), (53, 12848056), (68, 10013926), (86, 7917988), (104, 6547567), (106, 6424028), (136, 5006963), (169, 4029272), (172, 3958994), (212, 3212014), (221, 3081208), (338, 2014636), (344, 1979497), (424, 1606007), (442, 1540604), (559, 1218152), (676, 1007318), (689, 988312), (731, 931528), (884, 770302), (901, 755768), (1118, 609076), (1352, 503659), (1378, 494156), (1462, 465764), (1768, 385151), (1802, 377884), (2197, 309944), (2236, 304538), (2279, 298792), (2756, 247078), (2873, 237016), (2924, 232882), (3604, 188942), (4394, 154972), (4472, 152269), (4558, 149396), (5512, 123539), (5746, 118508), (5848, 116441), (7208, 94471), (7267, 93704), (8788, 77486), (8957, 76024), (9116, 74698), (9503, 71656), (11492, 59254), (11713, 58136), (14534, 46852), (17576, 38743), (17914, 38012), (18232, 37349), (19006, 35828), (22984, 29627), (23426, 29068)]