640081552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 1515331584

約数和(自身を除く): 875250032

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 67, 68, 88, 103, 124, 134, 136, 176, 187, 206, 248, 268, 272, 341, 374, 412, 496, 527, 536, 682, 737, 748, 824, 1054, 1072, 1133, 1139, 1364, 1474, 1496, 1648, 1751, 2077, 2108, 2266, 2278, 2728, 2948, 2992, 3193, 3502, 4154, 4216, 4532, 4556, 5456, 5797, 5896, 6386, 6901, 7004, 8308, 8432, 9064, 9112, 11594, 11792, 12529, 12772, 13802, 14008, 16616, 18128, 18224, 19261, 22847, 23188, 25058, 25544, 27604, 28016, 33232, 35123, 35309, 38522, 45694, 46376, 50116, 51088, 54281, 55208, 70246, 70618, 75911, 77044, 91388, 92752, 100232, 108562, 110416, 117317, 140492, 141236, 151822, 154088, 182776, 200464, 213931, 217124, 234634, 280984, 282472, 303644, 308176, 365552, 388399, 427862, 434248, 469268, 561968, 564944, 597091, 607288, 776798, 855724, 868496, 938536, 1194182, 1214576, 1290487, 1553596, 1711448, 1877072, 2353241, 2388364, 2580974, 3107192, 3422896, 3636827, 4706482, 4776728, 5161948, 6214384, 7273654, 9412964, 9553456, 10323896, 14547308, 18825928, 20647792, 29094616, 37651856, 40005097, 58189232, 80010194, 160020388, 320040776, 640081552]

約数ペア:

[(1, 640081552), (2, 320040776), (4, 160020388), (8, 80010194), (11, 58189232), (16, 40005097), (17, 37651856), (22, 29094616), (31, 20647792), (34, 18825928), (44, 14547308), (62, 10323896), (67, 9553456), (68, 9412964), (88, 7273654), (103, 6214384), (124, 5161948), (134, 4776728), (136, 4706482), (176, 3636827), (187, 3422896), (206, 3107192), (248, 2580974), (268, 2388364), (272, 2353241), (341, 1877072), (374, 1711448), (412, 1553596), (496, 1290487), (527, 1214576), (536, 1194182), (682, 938536), (737, 868496), (748, 855724), (824, 776798), (1054, 607288), (1072, 597091), (1133, 564944), (1139, 561968), (1364, 469268), (1474, 434248), (1496, 427862), (1648, 388399), (1751, 365552), (2077, 308176), (2108, 303644), (2266, 282472), (2278, 280984), (2728, 234634), (2948, 217124), (2992, 213931), (3193, 200464), (3502, 182776), (4154, 154088), (4216, 151822), (4532, 141236), (4556, 140492), (5456, 117317), (5797, 110416), (5896, 108562), (6386, 100232), (6901, 92752), (7004, 91388), (8308, 77044), (8432, 75911), (9064, 70618), (9112, 70246), (11594, 55208), (11792, 54281), (12529, 51088), (12772, 50116), (13802, 46376), (14008, 45694), (16616, 38522), (18128, 35309), (18224, 35123), (19261, 33232), (22847, 28016), (23188, 27604), (25058, 25544)]