81750240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 288

約数和(自身を含む): 328569696

約数和(自身を除く): 246819456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 32, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 96, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 160, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 288, 312, 330, 352, 360, 390, 396, 397, 416, 429, 440, 468, 480, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 794, 858, 880, 936, 990, 1040, 1056, 1144, 1170, 1191, 1248, 1287, 1320, 1430, 1440, 1560, 1584, 1588, 1716, 1760, 1872, 1980, 1985, 2080, 2145, 2288, 2340, 2382, 2574, 2640, 2860, 3120, 3168, 3176, 3432, 3573, 3744, 3960, 3970, 4290, 4367, 4576, 4680, 4764, 5148, 5161, 5280, 5720, 5955, 6240, 6352, 6435, 6864, 7146, 7920, 7940, 8580, 8734, 9360, 9528, 10296, 10322, 11440, 11910, 12704, 12870, 13101, 13728, 14292, 15483, 15840, 15880, 17160, 17468, 17865, 18720, 19056, 20592, 20644, 21835, 22880, 23820, 25740, 25805, 26202, 28584, 30966, 31760, 34320, 34936, 35730, 38112, 39303, 41184, 41288, 43670, 46449, 47640, 51480, 51610, 52404, 56771, 57168, 61932, 63520, 65505, 68640, 69872, 71460, 77415, 78606, 82576, 87340, 92898, 95280, 102960, 103220, 104808, 113542, 114336, 123864, 131010, 139744, 142920, 154830, 157212, 165152, 170313, 174680, 185796, 190560, 196515, 205920, 206440, 209616, 227084, 232245, 247728, 262020, 283855, 285840, 309660, 314424, 340626, 349360, 371592, 393030, 412880, 419232, 454168, 464490, 495456, 510939, 524040, 567710, 571680, 619320, 628848, 681252, 698720, 743184, 786060, 825760, 851565, 908336, 928980, 1021878, 1048080, 1135420, 1238640, 1257696, 1362504, 1486368, 1572120, 1703130, 1816672, 1857960, 2043756, 2096160, 2270840, 2477280, 2554695, 2725008, 3144240, 3406260, 3715920, 4087512, 4541680, 5109390, 5450016, 6288480, 6812520, 7431840, 8175024, 9083360, 10218780, 13625040, 16350048, 20437560, 27250080, 40875120, 81750240]

約数ペア:

[(1, 81750240), (2, 40875120), (3, 27250080), (4, 20437560), (5, 16350048), (6, 13625040), (8, 10218780), (9, 9083360), (10, 8175024), (11, 7431840), (12, 6812520), (13, 6288480), (15, 5450016), (16, 5109390), (18, 4541680), (20, 4087512), (22, 3715920), (24, 3406260), (26, 3144240), (30, 2725008), (32, 2554695), (33, 2477280), (36, 2270840), (39, 2096160), (40, 2043756), (44, 1857960), (45, 1816672), (48, 1703130), (52, 1572120), (55, 1486368), (60, 1362504), (65, 1257696), (66, 1238640), (72, 1135420), (78, 1048080), (80, 1021878), (88, 928980), (90, 908336), (96, 851565), (99, 825760), (104, 786060), (110, 743184), (117, 698720), (120, 681252), (130, 628848), (132, 619320), (143, 571680), (144, 567710), (156, 524040), (160, 510939), (165, 495456), (176, 464490), (180, 454168), (195, 419232), (198, 412880), (208, 393030), (220, 371592), (234, 349360), (240, 340626), (260, 314424), (264, 309660), (286, 285840), (288, 283855), (312, 262020), (330, 247728), (352, 232245), (360, 227084), (390, 209616), (396, 206440), (397, 205920), (416, 196515), (429, 190560), (440, 185796), (468, 174680), (480, 170313), (495, 165152), (520, 157212), (528, 154830), (572, 142920), (585, 139744), (624, 131010), (660, 123864), (715, 114336), (720, 113542), (780, 104808), (792, 103220), (794, 102960), (858, 95280), (880, 92898), (936, 87340), (990, 82576), (1040, 78606), (1056, 77415), (1144, 71460), (1170, 69872), (1191, 68640), (1248, 65505), (1287, 63520), (1320, 61932), (1430, 57168), (1440, 56771), (1560, 52404), (1584, 51610), (1588, 51480), (1716, 47640), (1760, 46449), (1872, 43670), (1980, 41288), (1985, 41184), (2080, 39303), (2145, 38112), (2288, 35730), (2340, 34936), (2382, 34320), (2574, 31760), (2640, 30966), (2860, 28584), (3120, 26202), (3168, 25805), (3176, 25740), (3432, 23820), (3573, 22880), (3744, 21835), (3960, 20644), (3970, 20592), (4290, 19056), (4367, 18720), (4576, 17865), (4680, 17468), (4764, 17160), (5148, 15880), (5161, 15840), (5280, 15483), (5720, 14292), (5955, 13728), (6240, 13101), (6352, 12870), (6435, 12704), (6864, 11910), (7146, 11440), (7920, 10322), (7940, 10296), (8580, 9528), (8734, 9360)]