20132640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 288

約数和(自身を含む): 79252992

約数和(自身を除く): 59120352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 32, 33, 36, 40, 41, 44, 45, 48, 55, 60, 62, 66, 72, 80, 82, 88, 90, 93, 96, 99, 110, 120, 123, 124, 132, 144, 155, 160, 164, 165, 176, 180, 186, 198, 205, 220, 240, 246, 248, 264, 279, 288, 310, 328, 330, 341, 352, 360, 369, 372, 396, 410, 440, 451, 465, 480, 492, 495, 496, 528, 558, 615, 620, 656, 660, 682, 720, 738, 744, 792, 820, 880, 902, 930, 984, 990, 992, 1023, 1056, 1116, 1230, 1240, 1271, 1312, 1320, 1353, 1364, 1395, 1440, 1476, 1488, 1584, 1640, 1705, 1760, 1804, 1845, 1860, 1968, 1980, 2046, 2232, 2255, 2460, 2480, 2542, 2640, 2706, 2728, 2790, 2952, 2976, 3069, 3168, 3280, 3410, 3608, 3690, 3720, 3813, 3936, 3960, 4059, 4092, 4464, 4510, 4920, 4960, 5084, 5115, 5280, 5412, 5456, 5580, 5904, 6138, 6355, 6560, 6765, 6820, 7216, 7380, 7440, 7626, 7920, 8118, 8184, 8928, 9020, 9840, 10168, 10230, 10824, 10912, 11160, 11439, 11808, 12276, 12710, 13530, 13640, 13981, 14432, 14760, 14880, 15252, 15345, 15840, 16236, 16368, 18040, 19065, 19680, 20295, 20336, 20460, 21648, 22320, 22878, 24552, 25420, 27060, 27280, 27962, 29520, 30504, 30690, 32472, 32736, 36080, 38130, 40590, 40672, 40920, 41943, 43296, 44640, 45756, 49104, 50840, 54120, 54560, 55924, 57195, 59040, 61008, 61380, 64944, 69905, 72160, 76260, 81180, 81840, 83886, 91512, 98208, 101680, 108240, 111848, 114390, 122016, 122760, 125829, 129888, 139810, 152520, 162360, 163680, 167772, 183024, 203360, 209715, 216480, 223696, 228780, 245520, 251658, 279620, 305040, 324720, 335544, 366048, 419430, 447392, 457560, 491040, 503316, 559240, 610080, 629145, 649440, 671088, 838860, 915120, 1006632, 1118480, 1258290, 1342176, 1677720, 1830240, 2013264, 2236960, 2516580, 3355440, 4026528, 5033160, 6710880, 10066320, 20132640]

約数ペア:

[(1, 20132640), (2, 10066320), (3, 6710880), (4, 5033160), (5, 4026528), (6, 3355440), (8, 2516580), (9, 2236960), (10, 2013264), (11, 1830240), (12, 1677720), (15, 1342176), (16, 1258290), (18, 1118480), (20, 1006632), (22, 915120), (24, 838860), (30, 671088), (31, 649440), (32, 629145), (33, 610080), (36, 559240), (40, 503316), (41, 491040), (44, 457560), (45, 447392), (48, 419430), (55, 366048), (60, 335544), (62, 324720), (66, 305040), (72, 279620), (80, 251658), (82, 245520), (88, 228780), (90, 223696), (93, 216480), (96, 209715), (99, 203360), (110, 183024), (120, 167772), (123, 163680), (124, 162360), (132, 152520), (144, 139810), (155, 129888), (160, 125829), (164, 122760), (165, 122016), (176, 114390), (180, 111848), (186, 108240), (198, 101680), (205, 98208), (220, 91512), (240, 83886), (246, 81840), (248, 81180), (264, 76260), (279, 72160), (288, 69905), (310, 64944), (328, 61380), (330, 61008), (341, 59040), (352, 57195), (360, 55924), (369, 54560), (372, 54120), (396, 50840), (410, 49104), (440, 45756), (451, 44640), (465, 43296), (480, 41943), (492, 40920), (495, 40672), (496, 40590), (528, 38130), (558, 36080), (615, 32736), (620, 32472), (656, 30690), (660, 30504), (682, 29520), (720, 27962), (738, 27280), (744, 27060), (792, 25420), (820, 24552), (880, 22878), (902, 22320), (930, 21648), (984, 20460), (990, 20336), (992, 20295), (1023, 19680), (1056, 19065), (1116, 18040), (1230, 16368), (1240, 16236), (1271, 15840), (1312, 15345), (1320, 15252), (1353, 14880), (1364, 14760), (1395, 14432), (1440, 13981), (1476, 13640), (1488, 13530), (1584, 12710), (1640, 12276), (1705, 11808), (1760, 11439), (1804, 11160), (1845, 10912), (1860, 10824), (1968, 10230), (1980, 10168), (2046, 9840), (2232, 9020), (2255, 8928), (2460, 8184), (2480, 8118), (2542, 7920), (2640, 7626), (2706, 7440), (2728, 7380), (2790, 7216), (2952, 6820), (2976, 6765), (3069, 6560), (3168, 6355), (3280, 6138), (3410, 5904), (3608, 5580), (3690, 5456), (3720, 5412), (3813, 5280), (3936, 5115), (3960, 5084), (4059, 4960), (4092, 4920), (4464, 4510)]