256404330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31307}}^1$

素因数の和:31340

約数の個数: 96

約数和(自身を含む): 820520064

約数和(自身を除く): 564115734

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 31307, 62614, 93921, 156535, 187842, 219149, 281763, 313070, 406991, 438298, 469605, 563526, 657447, 813982, 939210, 1095745, 1220973, 1314894, 1408815, 1972341, 2034955, 2191490, 2441946, 2817630, 2848937, 3287235, 3662919, 3944682, 4069910, 5697874, 6104865, 6574470, 7325838, 8546811, 9861705, 12209730, 14244685, 17093622, 18314595, 19723410, 25640433, 28489370, 36629190, 42734055, 51280866, 85468110, 128202165, 256404330]

約数ペア:

[(1, 256404330), (2, 128202165), (3, 85468110), (5, 51280866), (6, 42734055), (7, 36629190), (9, 28489370), (10, 25640433), (13, 19723410), (14, 18314595), (15, 17093622), (18, 14244685), (21, 12209730), (26, 9861705), (30, 8546811), (35, 7325838), (39, 6574470), (42, 6104865), (45, 5697874), (63, 4069910), (65, 3944682), (70, 3662919), (78, 3287235), (90, 2848937), (91, 2817630), (105, 2441946), (117, 2191490), (126, 2034955), (130, 1972341), (182, 1408815), (195, 1314894), (210, 1220973), (234, 1095745), (273, 939210), (315, 813982), (390, 657447), (455, 563526), (546, 469605), (585, 438298), (630, 406991), (819, 313070), (910, 281763), (1170, 219149), (1365, 187842), (1638, 156535), (2730, 93921), (4095, 62614), (8190, 31307)]