771221360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 240

約数和(自身を含む): 2303691840

約数和(自身を除く): 1532470480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 169, 182, 203, 208, 232, 260, 280, 281, 290, 338, 364, 377, 406, 455, 464, 520, 560, 562, 580, 676, 728, 754, 812, 845, 910, 1015, 1040, 1124, 1160, 1183, 1352, 1405, 1456, 1508, 1624, 1690, 1820, 1885, 1967, 2030, 2248, 2320, 2366, 2639, 2704, 2810, 3016, 3248, 3380, 3640, 3653, 3770, 3934, 4060, 4496, 4732, 4901, 5278, 5620, 5915, 6032, 6760, 7280, 7306, 7540, 7868, 8120, 8149, 9464, 9802, 9835, 10556, 11240, 11830, 13195, 13520, 14612, 15080, 15736, 16240, 16298, 18265, 18928, 19604, 19670, 21112, 22480, 23660, 24505, 25571, 26390, 29224, 30160, 31472, 32596, 34307, 36530, 39208, 39340, 40745, 42224, 47320, 47489, 49010, 51142, 52780, 57043, 58448, 65192, 68614, 73060, 78416, 78680, 81490, 94640, 94978, 98020, 102284, 105560, 105937, 114086, 127855, 130384, 137228, 146120, 157360, 162980, 171535, 189956, 196040, 204568, 211120, 211874, 228172, 237445, 255710, 274456, 285215, 292240, 325960, 332423, 343070, 379912, 392080, 409136, 423748, 456344, 474890, 511420, 529685, 548912, 570430, 651920, 664846, 686140, 741559, 759824, 847496, 912688, 949780, 1022840, 1059370, 1140860, 1329692, 1372280, 1377181, 1483118, 1662115, 1694992, 1899560, 2045680, 2118740, 2281720, 2659384, 2744560, 2754362, 2966236, 3324230, 3707795, 3799120, 4237480, 4563440, 5318768, 5508724, 5932472, 6648460, 6885905, 7415590, 8474960, 9640267, 11017448, 11864944, 13296920, 13771810, 14831180, 19280534, 22034896, 26593840, 27543620, 29662360, 38561068, 48201335, 55087240, 59324720, 77122136, 96402670, 110174480, 154244272, 192805340, 385610680, 771221360]

約数ペア:

[(1, 771221360), (2, 385610680), (4, 192805340), (5, 154244272), (7, 110174480), (8, 96402670), (10, 77122136), (13, 59324720), (14, 55087240), (16, 48201335), (20, 38561068), (26, 29662360), (28, 27543620), (29, 26593840), (35, 22034896), (40, 19280534), (52, 14831180), (56, 13771810), (58, 13296920), (65, 11864944), (70, 11017448), (80, 9640267), (91, 8474960), (104, 7415590), (112, 6885905), (116, 6648460), (130, 5932472), (140, 5508724), (145, 5318768), (169, 4563440), (182, 4237480), (203, 3799120), (208, 3707795), (232, 3324230), (260, 2966236), (280, 2754362), (281, 2744560), (290, 2659384), (338, 2281720), (364, 2118740), (377, 2045680), (406, 1899560), (455, 1694992), (464, 1662115), (520, 1483118), (560, 1377181), (562, 1372280), (580, 1329692), (676, 1140860), (728, 1059370), (754, 1022840), (812, 949780), (845, 912688), (910, 847496), (1015, 759824), (1040, 741559), (1124, 686140), (1160, 664846), (1183, 651920), (1352, 570430), (1405, 548912), (1456, 529685), (1508, 511420), (1624, 474890), (1690, 456344), (1820, 423748), (1885, 409136), (1967, 392080), (2030, 379912), (2248, 343070), (2320, 332423), (2366, 325960), (2639, 292240), (2704, 285215), (2810, 274456), (3016, 255710), (3248, 237445), (3380, 228172), (3640, 211874), (3653, 211120), (3770, 204568), (3934, 196040), (4060, 189956), (4496, 171535), (4732, 162980), (4901, 157360), (5278, 146120), (5620, 137228), (5915, 130384), (6032, 127855), (6760, 114086), (7280, 105937), (7306, 105560), (7540, 102284), (7868, 98020), (8120, 94978), (8149, 94640), (9464, 81490), (9802, 78680), (9835, 78416), (10556, 73060), (11240, 68614), (11830, 65192), (13195, 58448), (13520, 57043), (14612, 52780), (15080, 51142), (15736, 49010), (16240, 47489), (16298, 47320), (18265, 42224), (18928, 40745), (19604, 39340), (19670, 39208), (21112, 36530), (22480, 34307), (23660, 32596), (24505, 31472), (25571, 30160), (26390, 29224)]