71464640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 112

約数和(自身を含む): 188183520

約数和(自身を除く): 116718880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 320, 328, 410, 416, 419, 520, 533, 656, 820, 832, 838, 1040, 1066, 1312, 1640, 1676, 2080, 2095, 2132, 2624, 2665, 3280, 3352, 4160, 4190, 4264, 5330, 5447, 6560, 6704, 8380, 8528, 10660, 10894, 13120, 13408, 16760, 17056, 17179, 21320, 21788, 26816, 27235, 33520, 34112, 34358, 42640, 43576, 54470, 67040, 68716, 85280, 85895, 87152, 108940, 134080, 137432, 170560, 171790, 174304, 217880, 223327, 274864, 343580, 348608, 435760, 446654, 549728, 687160, 871520, 893308, 1099456, 1116635, 1374320, 1743040, 1786616, 2233270, 2748640, 3573232, 4466540, 5497280, 7146464, 8933080, 14292928, 17866160, 35732320, 71464640]

約数ペア:

[(1, 71464640), (2, 35732320), (4, 17866160), (5, 14292928), (8, 8933080), (10, 7146464), (13, 5497280), (16, 4466540), (20, 3573232), (26, 2748640), (32, 2233270), (40, 1786616), (41, 1743040), (52, 1374320), (64, 1116635), (65, 1099456), (80, 893308), (82, 871520), (104, 687160), (130, 549728), (160, 446654), (164, 435760), (205, 348608), (208, 343580), (260, 274864), (320, 223327), (328, 217880), (410, 174304), (416, 171790), (419, 170560), (520, 137432), (533, 134080), (656, 108940), (820, 87152), (832, 85895), (838, 85280), (1040, 68716), (1066, 67040), (1312, 54470), (1640, 43576), (1676, 42640), (2080, 34358), (2095, 34112), (2132, 33520), (2624, 27235), (2665, 26816), (3280, 21788), (3352, 21320), (4160, 17179), (4190, 17056), (4264, 16760), (5330, 13408), (5447, 13120), (6560, 10894), (6704, 10660), (8380, 8528)]