277956540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:612

約数の個数: 144

約数和(自身を含む): 880239360

約数和(自身を除く): 602282820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 109, 124, 155, 180, 186, 218, 279, 310, 327, 372, 436, 457, 465, 545, 558, 620, 654, 914, 930, 981, 1090, 1116, 1308, 1371, 1395, 1635, 1828, 1860, 1962, 2180, 2285, 2742, 2790, 3270, 3379, 3924, 4113, 4570, 4905, 5484, 5580, 6540, 6758, 6855, 8226, 9140, 9810, 10137, 13516, 13710, 14167, 16452, 16895, 19620, 20274, 20565, 27420, 28334, 30411, 33790, 40548, 41130, 42501, 49813, 50685, 56668, 60822, 67580, 70835, 82260, 85002, 99626, 101370, 121644, 127503, 141670, 149439, 152055, 170004, 199252, 202740, 212505, 249065, 255006, 283340, 298878, 304110, 425010, 448317, 498130, 510012, 597756, 608220, 637515, 747195, 850020, 896634, 996260, 1275030, 1494390, 1544203, 1793268, 2241585, 2550060, 2988780, 3088406, 4483170, 4632609, 6176812, 7721015, 8966340, 9265218, 13897827, 15442030, 18530436, 23163045, 27795654, 30884060, 46326090, 55591308, 69489135, 92652180, 138978270, 277956540]

約数ペア:

[(1, 277956540), (2, 138978270), (3, 92652180), (4, 69489135), (5, 55591308), (6, 46326090), (9, 30884060), (10, 27795654), (12, 23163045), (15, 18530436), (18, 15442030), (20, 13897827), (30, 9265218), (31, 8966340), (36, 7721015), (45, 6176812), (60, 4632609), (62, 4483170), (90, 3088406), (93, 2988780), (109, 2550060), (124, 2241585), (155, 1793268), (180, 1544203), (186, 1494390), (218, 1275030), (279, 996260), (310, 896634), (327, 850020), (372, 747195), (436, 637515), (457, 608220), (465, 597756), (545, 510012), (558, 498130), (620, 448317), (654, 425010), (914, 304110), (930, 298878), (981, 283340), (1090, 255006), (1116, 249065), (1308, 212505), (1371, 202740), (1395, 199252), (1635, 170004), (1828, 152055), (1860, 149439), (1962, 141670), (2180, 127503), (2285, 121644), (2742, 101370), (2790, 99626), (3270, 85002), (3379, 82260), (3924, 70835), (4113, 67580), (4570, 60822), (4905, 56668), (5484, 50685), (5580, 49813), (6540, 42501), (6758, 41130), (6855, 40548), (8226, 33790), (9140, 30411), (9810, 28334), (10137, 27420), (13516, 20565), (13710, 20274), (14167, 19620), (16452, 16895)]