278319240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 320

約数和(自身を含む): 1028712960

約数和(自身を除く): 750393720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 51, 54, 60, 62, 68, 72, 81, 85, 90, 93, 102, 108, 120, 124, 135, 136, 153, 155, 162, 163, 170, 180, 186, 204, 216, 248, 255, 270, 279, 306, 310, 324, 326, 340, 360, 372, 405, 408, 459, 465, 489, 510, 527, 540, 558, 612, 620, 648, 652, 680, 744, 765, 810, 815, 837, 918, 930, 978, 1020, 1054, 1080, 1116, 1224, 1240, 1304, 1377, 1395, 1467, 1530, 1581, 1620, 1630, 1674, 1836, 1860, 1956, 2040, 2108, 2232, 2295, 2445, 2511, 2635, 2754, 2771, 2790, 2934, 3060, 3162, 3240, 3260, 3348, 3672, 3720, 3912, 4185, 4216, 4401, 4590, 4743, 4890, 5022, 5053, 5270, 5508, 5542, 5580, 5868, 6120, 6324, 6520, 6696, 6885, 7335, 7905, 8313, 8370, 8802, 9180, 9486, 9780, 10044, 10106, 10540, 11016, 11084, 11160, 11736, 12555, 12648, 13203, 13770, 13855, 14229, 14670, 15159, 15810, 16626, 16740, 17604, 18360, 18972, 19560, 20088, 20212, 21080, 22005, 22168, 23715, 24939, 25110, 25265, 26406, 27540, 27710, 28458, 29340, 30318, 31620, 33252, 33480, 35208, 37944, 40424, 41565, 42687, 44010, 45477, 47430, 49878, 50220, 50530, 52812, 55080, 55420, 56916, 58680, 60636, 63240, 66015, 66504, 71145, 74817, 75795, 83130, 85374, 85901, 88020, 90954, 94860, 99756, 100440, 101060, 105624, 110840, 113832, 121272, 124695, 132030, 136431, 142290, 149634, 151590, 166260, 170748, 171802, 176040, 181908, 189720, 199512, 202120, 213435, 224451, 227385, 249390, 257703, 264060, 272862, 284580, 299268, 303180, 332520, 341496, 343604, 363816, 374085, 409293, 426870, 429505, 448902, 454770, 498780, 515406, 528120, 545724, 569160, 598536, 606360, 682155, 687208, 748170, 773109, 818586, 853740, 859010, 897804, 909540, 997560, 1030812, 1091448, 1122255, 1288515, 1364310, 1496340, 1546218, 1637172, 1707480, 1718020, 1795608, 1819080, 2046465, 2061624, 2244510, 2319327, 2577030, 2728620, 2992680, 3092436, 3274344, 3436040, 3865545, 4092930, 4489020, 4638654, 5154060, 5457240, 6184872, 6957981, 7731090, 8185860, 8978040, 9277308, 10308120, 11596635, 13915962, 15462180, 16371720, 18554616, 23193270, 27831924, 30924360, 34789905, 46386540, 55663848, 69579810, 92773080, 139159620, 278319240]

約数ペア:

[(1, 278319240), (2, 139159620), (3, 92773080), (4, 69579810), (5, 55663848), (6, 46386540), (8, 34789905), (9, 30924360), (10, 27831924), (12, 23193270), (15, 18554616), (17, 16371720), (18, 15462180), (20, 13915962), (24, 11596635), (27, 10308120), (30, 9277308), (31, 8978040), (34, 8185860), (36, 7731090), (40, 6957981), (45, 6184872), (51, 5457240), (54, 5154060), (60, 4638654), (62, 4489020), (68, 4092930), (72, 3865545), (81, 3436040), (85, 3274344), (90, 3092436), (93, 2992680), (102, 2728620), (108, 2577030), (120, 2319327), (124, 2244510), (135, 2061624), (136, 2046465), (153, 1819080), (155, 1795608), (162, 1718020), (163, 1707480), (170, 1637172), (180, 1546218), (186, 1496340), (204, 1364310), (216, 1288515), (248, 1122255), (255, 1091448), (270, 1030812), (279, 997560), (306, 909540), (310, 897804), (324, 859010), (326, 853740), (340, 818586), (360, 773109), (372, 748170), (405, 687208), (408, 682155), (459, 606360), (465, 598536), (489, 569160), (510, 545724), (527, 528120), (540, 515406), (558, 498780), (612, 454770), (620, 448902), (648, 429505), (652, 426870), (680, 409293), (744, 374085), (765, 363816), (810, 343604), (815, 341496), (837, 332520), (918, 303180), (930, 299268), (978, 284580), (1020, 272862), (1054, 264060), (1080, 257703), (1116, 249390), (1224, 227385), (1240, 224451), (1304, 213435), (1377, 202120), (1395, 199512), (1467, 189720), (1530, 181908), (1581, 176040), (1620, 171802), (1630, 170748), (1674, 166260), (1836, 151590), (1860, 149634), (1956, 142290), (2040, 136431), (2108, 132030), (2232, 124695), (2295, 121272), (2445, 113832), (2511, 110840), (2635, 105624), (2754, 101060), (2771, 100440), (2790, 99756), (2934, 94860), (3060, 90954), (3162, 88020), (3240, 85901), (3260, 85374), (3348, 83130), (3672, 75795), (3720, 74817), (3912, 71145), (4185, 66504), (4216, 66015), (4401, 63240), (4590, 60636), (4743, 58680), (4890, 56916), (5022, 55420), (5053, 55080), (5270, 52812), (5508, 50530), (5542, 50220), (5580, 49878), (5868, 47430), (6120, 45477), (6324, 44010), (6520, 42687), (6696, 41565), (6885, 40424), (7335, 37944), (7905, 35208), (8313, 33480), (8370, 33252), (8802, 31620), (9180, 30318), (9486, 29340), (9780, 28458), (10044, 27710), (10106, 27540), (10540, 26406), (11016, 25265), (11084, 25110), (11160, 24939), (11736, 23715), (12555, 22168), (12648, 22005), (13203, 21080), (13770, 20212), (13855, 20088), (14229, 19560), (14670, 18972), (15159, 18360), (15810, 17604), (16626, 16740)]