1991975328

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1217

約数の個数: 240

約数和(自身を含む): 6767760384

約数和(自身を除く): 4775785056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 101, 108, 112, 126, 144, 162, 168, 189, 202, 216, 224, 252, 288, 303, 324, 336, 378, 404, 432, 504, 567, 606, 648, 672, 707, 756, 808, 864, 909, 1008, 1087, 1134, 1212, 1296, 1414, 1512, 1616, 1818, 2016, 2121, 2174, 2268, 2424, 2592, 2727, 2828, 3024, 3232, 3261, 3636, 4242, 4348, 4536, 4848, 5454, 5656, 6048, 6363, 6522, 7272, 7609, 8181, 8484, 8696, 9072, 9696, 9783, 10908, 11312, 12726, 13044, 14544, 15218, 16362, 16968, 17392, 18144, 19089, 19566, 21816, 22624, 22827, 25452, 26088, 29088, 29349, 30436, 32724, 33936, 34784, 38178, 39132, 43632, 45654, 50904, 52176, 57267, 58698, 60872, 65448, 67872, 68481, 76356, 78264, 87264, 88047, 91308, 101808, 104352, 109787, 114534, 117396, 121744, 130896, 136962, 152712, 156528, 176094, 182616, 203616, 205443, 219574, 229068, 234792, 243488, 261792, 273924, 305424, 313056, 329361, 352188, 365232, 410886, 439148, 458136, 469584, 547848, 610848, 616329, 658722, 704376, 730464, 768509, 821772, 878296, 916272, 939168, 988083, 1095696, 1232658, 1317444, 1408752, 1537018, 1643544, 1756592, 1832544, 1976166, 2191392, 2305527, 2465316, 2634888, 2817504, 2964249, 3074036, 3287088, 3513184, 3952332, 4611054, 4930632, 5269776, 5928498, 6148072, 6574176, 6916581, 7904664, 8892747, 9222108, 9861264, 10539552, 11856996, 12296144, 13833162, 15809328, 17785494, 18444216, 19722528, 20749743, 23713992, 24592288, 27666324, 31618656, 35570988, 36888432, 41499486, 47427984, 55332648, 62249229, 71141976, 73776864, 82998972, 94855968, 110665296, 124498458, 142283952, 165997944, 221330592, 248996916, 284567904, 331995888, 497993832, 663991776, 995987664, 1991975328]

約数ペア:

[(1, 1991975328), (2, 995987664), (3, 663991776), (4, 497993832), (6, 331995888), (7, 284567904), (8, 248996916), (9, 221330592), (12, 165997944), (14, 142283952), (16, 124498458), (18, 110665296), (21, 94855968), (24, 82998972), (27, 73776864), (28, 71141976), (32, 62249229), (36, 55332648), (42, 47427984), (48, 41499486), (54, 36888432), (56, 35570988), (63, 31618656), (72, 27666324), (81, 24592288), (84, 23713992), (96, 20749743), (101, 19722528), (108, 18444216), (112, 17785494), (126, 15809328), (144, 13833162), (162, 12296144), (168, 11856996), (189, 10539552), (202, 9861264), (216, 9222108), (224, 8892747), (252, 7904664), (288, 6916581), (303, 6574176), (324, 6148072), (336, 5928498), (378, 5269776), (404, 4930632), (432, 4611054), (504, 3952332), (567, 3513184), (606, 3287088), (648, 3074036), (672, 2964249), (707, 2817504), (756, 2634888), (808, 2465316), (864, 2305527), (909, 2191392), (1008, 1976166), (1087, 1832544), (1134, 1756592), (1212, 1643544), (1296, 1537018), (1414, 1408752), (1512, 1317444), (1616, 1232658), (1818, 1095696), (2016, 988083), (2121, 939168), (2174, 916272), (2268, 878296), (2424, 821772), (2592, 768509), (2727, 730464), (2828, 704376), (3024, 658722), (3232, 616329), (3261, 610848), (3636, 547848), (4242, 469584), (4348, 458136), (4536, 439148), (4848, 410886), (5454, 365232), (5656, 352188), (6048, 329361), (6363, 313056), (6522, 305424), (7272, 273924), (7609, 261792), (8181, 243488), (8484, 234792), (8696, 229068), (9072, 219574), (9696, 205443), (9783, 203616), (10908, 182616), (11312, 176094), (12726, 156528), (13044, 152712), (14544, 136962), (15218, 130896), (16362, 121744), (16968, 117396), (17392, 114534), (18144, 109787), (19089, 104352), (19566, 101808), (21816, 91308), (22624, 88047), (22827, 87264), (25452, 78264), (26088, 76356), (29088, 68481), (29349, 67872), (30436, 65448), (32724, 60872), (33936, 58698), (34784, 57267), (38178, 52176), (39132, 50904), (43632, 45654)]