644641360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1133

約数の個数: 160

約数和(自身を含む): 1775136384

約数和(自身を除く): 1130495024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 41, 44, 55, 68, 80, 82, 85, 88, 110, 136, 164, 170, 176, 187, 205, 220, 272, 328, 340, 374, 410, 440, 451, 656, 680, 697, 748, 820, 880, 902, 935, 1051, 1360, 1394, 1496, 1640, 1804, 1870, 2102, 2255, 2788, 2992, 3280, 3485, 3608, 3740, 4204, 4510, 5255, 5576, 6970, 7216, 7480, 7667, 8408, 9020, 10510, 11152, 11561, 13940, 14960, 15334, 16816, 17867, 18040, 21020, 23122, 27880, 30668, 35734, 36080, 38335, 42040, 43091, 46244, 55760, 57805, 61336, 71468, 76670, 84080, 86182, 89335, 92488, 115610, 122672, 142936, 153340, 172364, 178670, 184976, 196537, 215455, 231220, 285872, 306680, 344728, 357340, 393074, 430910, 462440, 474001, 613360, 689456, 714680, 732547, 786148, 861820, 924880, 948002, 982685, 1429360, 1465094, 1572296, 1723640, 1896004, 1965370, 2370005, 2930188, 3144592, 3447280, 3662735, 3792008, 3930740, 4740010, 5860376, 7325470, 7584016, 7861480, 8058017, 9480020, 11720752, 14650940, 15722960, 16116034, 18960040, 29301880, 32232068, 37920080, 40290085, 58603760, 64464136, 80580170, 128928272, 161160340, 322320680, 644641360]

約数ペア:

[(1, 644641360), (2, 322320680), (4, 161160340), (5, 128928272), (8, 80580170), (10, 64464136), (11, 58603760), (16, 40290085), (17, 37920080), (20, 32232068), (22, 29301880), (34, 18960040), (40, 16116034), (41, 15722960), (44, 14650940), (55, 11720752), (68, 9480020), (80, 8058017), (82, 7861480), (85, 7584016), (88, 7325470), (110, 5860376), (136, 4740010), (164, 3930740), (170, 3792008), (176, 3662735), (187, 3447280), (205, 3144592), (220, 2930188), (272, 2370005), (328, 1965370), (340, 1896004), (374, 1723640), (410, 1572296), (440, 1465094), (451, 1429360), (656, 982685), (680, 948002), (697, 924880), (748, 861820), (820, 786148), (880, 732547), (902, 714680), (935, 689456), (1051, 613360), (1360, 474001), (1394, 462440), (1496, 430910), (1640, 393074), (1804, 357340), (1870, 344728), (2102, 306680), (2255, 285872), (2788, 231220), (2992, 215455), (3280, 196537), (3485, 184976), (3608, 178670), (3740, 172364), (4204, 153340), (4510, 142936), (5255, 122672), (5576, 115610), (6970, 92488), (7216, 89335), (7480, 86182), (7667, 84080), (8408, 76670), (9020, 71468), (10510, 61336), (11152, 57805), (11561, 55760), (13940, 46244), (14960, 43091), (15334, 42040), (16816, 38335), (17867, 36080), (18040, 35734), (21020, 30668), (23122, 27880)]