256282260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17293}}^1$

素因数の和:17337

約数の個数: 96

約数和(自身を含む): 813509760

約数和(自身を除く): 557227500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 14820, 17293, 34586, 51879, 69172, 86465, 103758, 172930, 207516, 224809, 259395, 328567, 345860, 449618, 518790, 657134, 674427, 899236, 985701, 1037580, 1124045, 1314268, 1348854, 1642835, 1971402, 2248090, 2697708, 3285670, 3372135, 3942804, 4271371, 4496180, 4928505, 6571340, 6744270, 8542742, 9857010, 12814113, 13488540, 17085484, 19714020, 21356855, 25628226, 42713710, 51256452, 64070565, 85427420, 128141130, 256282260]

約数ペア:

[(1, 256282260), (2, 128141130), (3, 85427420), (4, 64070565), (5, 51256452), (6, 42713710), (10, 25628226), (12, 21356855), (13, 19714020), (15, 17085484), (19, 13488540), (20, 12814113), (26, 9857010), (30, 8542742), (38, 6744270), (39, 6571340), (52, 4928505), (57, 4496180), (60, 4271371), (65, 3942804), (76, 3372135), (78, 3285670), (95, 2697708), (114, 2248090), (130, 1971402), (156, 1642835), (190, 1348854), (195, 1314268), (228, 1124045), (247, 1037580), (260, 985701), (285, 899236), (380, 674427), (390, 657134), (494, 518790), (570, 449618), (741, 345860), (780, 328567), (988, 259395), (1140, 224809), (1235, 207516), (1482, 172930), (2470, 103758), (2964, 86465), (3705, 69172), (4940, 51879), (7410, 34586), (14820, 17293)]