257116860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1473

約数の個数: 288

約数和(自身を含む): 1047900672

約数和(自身を除く): 790783812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 55, 60, 63, 65, 66, 70, 77, 78, 84, 90, 91, 99, 105, 110, 117, 126, 130, 132, 140, 143, 154, 156, 165, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 273, 286, 308, 315, 330, 364, 385, 390, 396, 420, 429, 455, 462, 468, 495, 546, 572, 585, 630, 660, 693, 715, 770, 780, 819, 858, 910, 924, 990, 1001, 1092, 1155, 1170, 1260, 1287, 1365, 1386, 1427, 1430, 1540, 1638, 1716, 1820, 1980, 2002, 2145, 2310, 2340, 2574, 2730, 2772, 2854, 2860, 3003, 3276, 3465, 4004, 4095, 4281, 4290, 4620, 5005, 5148, 5460, 5708, 6006, 6435, 6930, 7135, 8190, 8562, 8580, 9009, 9989, 10010, 12012, 12843, 12870, 13860, 14270, 15015, 15697, 16380, 17124, 18018, 18551, 19978, 20020, 21405, 25686, 25740, 28540, 29967, 30030, 31394, 36036, 37102, 39956, 42810, 45045, 47091, 49945, 51372, 55653, 59934, 60060, 62788, 64215, 74204, 78485, 85620, 89901, 90090, 92755, 94182, 99890, 109879, 111306, 119868, 128430, 129857, 141273, 149835, 156970, 166959, 179802, 180180, 185510, 188364, 199780, 204061, 219758, 222612, 235455, 256860, 259714, 278265, 282546, 299670, 313940, 329637, 333918, 359604, 371020, 389571, 408122, 439516, 449505, 470910, 519428, 549395, 556530, 565092, 599340, 612183, 649285, 659274, 667836, 706365, 779142, 816244, 834795, 899010, 941820, 988911, 1020305, 1098790, 1113060, 1168713, 1224366, 1298570, 1318548, 1412730, 1428427, 1558284, 1648185, 1669590, 1798020, 1836549, 1947855, 1977822, 2040610, 2197580, 2337426, 2448732, 2597140, 2825460, 2856854, 3060915, 3296370, 3339180, 3673098, 3895710, 3955644, 4081220, 4285281, 4674852, 4944555, 5713708, 5843565, 6121830, 6592740, 7142135, 7346196, 7791420, 8570562, 9182745, 9889110, 11687130, 12243660, 12855843, 14284270, 17141124, 18365490, 19778220, 21426405, 23374260, 25711686, 28568540, 36730980, 42852810, 51423372, 64279215, 85705620, 128558430, 257116860]

約数ペア:

[(1, 257116860), (2, 128558430), (3, 85705620), (4, 64279215), (5, 51423372), (6, 42852810), (7, 36730980), (9, 28568540), (10, 25711686), (11, 23374260), (12, 21426405), (13, 19778220), (14, 18365490), (15, 17141124), (18, 14284270), (20, 12855843), (21, 12243660), (22, 11687130), (26, 9889110), (28, 9182745), (30, 8570562), (33, 7791420), (35, 7346196), (36, 7142135), (39, 6592740), (42, 6121830), (44, 5843565), (45, 5713708), (52, 4944555), (55, 4674852), (60, 4285281), (63, 4081220), (65, 3955644), (66, 3895710), (70, 3673098), (77, 3339180), (78, 3296370), (84, 3060915), (90, 2856854), (91, 2825460), (99, 2597140), (105, 2448732), (110, 2337426), (117, 2197580), (126, 2040610), (130, 1977822), (132, 1947855), (140, 1836549), (143, 1798020), (154, 1669590), (156, 1648185), (165, 1558284), (180, 1428427), (182, 1412730), (195, 1318548), (198, 1298570), (210, 1224366), (220, 1168713), (231, 1113060), (234, 1098790), (252, 1020305), (260, 988911), (273, 941820), (286, 899010), (308, 834795), (315, 816244), (330, 779142), (364, 706365), (385, 667836), (390, 659274), (396, 649285), (420, 612183), (429, 599340), (455, 565092), (462, 556530), (468, 549395), (495, 519428), (546, 470910), (572, 449505), (585, 439516), (630, 408122), (660, 389571), (693, 371020), (715, 359604), (770, 333918), (780, 329637), (819, 313940), (858, 299670), (910, 282546), (924, 278265), (990, 259714), (1001, 256860), (1092, 235455), (1155, 222612), (1170, 219758), (1260, 204061), (1287, 199780), (1365, 188364), (1386, 185510), (1427, 180180), (1430, 179802), (1540, 166959), (1638, 156970), (1716, 149835), (1820, 141273), (1980, 129857), (2002, 128430), (2145, 119868), (2310, 111306), (2340, 109879), (2574, 99890), (2730, 94182), (2772, 92755), (2854, 90090), (2860, 89901), (3003, 85620), (3276, 78485), (3465, 74204), (4004, 64215), (4095, 62788), (4281, 60060), (4290, 59934), (4620, 55653), (5005, 51372), (5148, 49945), (5460, 47091), (5708, 45045), (6006, 42810), (6435, 39956), (6930, 37102), (7135, 36036), (8190, 31394), (8562, 30030), (8580, 29967), (9009, 28540), (9989, 25740), (10010, 25686), (12012, 21405), (12843, 20020), (12870, 19978), (13860, 18551), (14270, 18018), (15015, 17124), (15697, 16380)]