256685280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 192

約数和(自身を含む): 844603200

約数和(自身を除く): 587917920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 97, 111, 120, 148, 149, 160, 185, 194, 222, 240, 291, 296, 298, 370, 388, 444, 447, 480, 485, 555, 582, 592, 596, 740, 745, 776, 888, 894, 970, 1110, 1164, 1184, 1192, 1455, 1480, 1490, 1552, 1776, 1788, 1940, 2220, 2235, 2328, 2384, 2910, 2960, 2980, 3104, 3552, 3576, 3589, 3880, 4440, 4470, 4656, 4768, 5513, 5820, 5920, 5960, 7152, 7178, 7760, 8880, 8940, 9312, 10767, 11026, 11640, 11920, 14304, 14356, 14453, 15520, 16539, 17760, 17880, 17945, 21534, 22052, 23280, 23840, 27565, 28712, 28906, 33078, 35760, 35890, 43068, 43359, 44104, 46560, 53835, 55130, 57424, 57812, 66156, 71520, 71780, 72265, 82695, 86136, 86718, 88208, 107670, 110260, 114848, 115624, 132312, 143560, 144530, 165390, 172272, 173436, 176416, 215340, 216795, 220520, 231248, 264624, 287120, 289060, 330780, 344544, 346872, 430680, 433590, 441040, 462496, 529248, 534761, 574240, 578120, 661560, 693744, 861360, 867180, 882080, 1069522, 1156240, 1323120, 1387488, 1604283, 1722720, 1734360, 2139044, 2312480, 2646240, 2673805, 3208566, 3468720, 4278088, 5347610, 6417132, 6937440, 8021415, 8556176, 10695220, 12834264, 16042830, 17112352, 21390440, 25668528, 32085660, 42780880, 51337056, 64171320, 85561760, 128342640, 256685280]

約数ペア:

[(1, 256685280), (2, 128342640), (3, 85561760), (4, 64171320), (5, 51337056), (6, 42780880), (8, 32085660), (10, 25668528), (12, 21390440), (15, 17112352), (16, 16042830), (20, 12834264), (24, 10695220), (30, 8556176), (32, 8021415), (37, 6937440), (40, 6417132), (48, 5347610), (60, 4278088), (74, 3468720), (80, 3208566), (96, 2673805), (97, 2646240), (111, 2312480), (120, 2139044), (148, 1734360), (149, 1722720), (160, 1604283), (185, 1387488), (194, 1323120), (222, 1156240), (240, 1069522), (291, 882080), (296, 867180), (298, 861360), (370, 693744), (388, 661560), (444, 578120), (447, 574240), (480, 534761), (485, 529248), (555, 462496), (582, 441040), (592, 433590), (596, 430680), (740, 346872), (745, 344544), (776, 330780), (888, 289060), (894, 287120), (970, 264624), (1110, 231248), (1164, 220520), (1184, 216795), (1192, 215340), (1455, 176416), (1480, 173436), (1490, 172272), (1552, 165390), (1776, 144530), (1788, 143560), (1940, 132312), (2220, 115624), (2235, 114848), (2328, 110260), (2384, 107670), (2910, 88208), (2960, 86718), (2980, 86136), (3104, 82695), (3552, 72265), (3576, 71780), (3589, 71520), (3880, 66156), (4440, 57812), (4470, 57424), (4656, 55130), (4768, 53835), (5513, 46560), (5820, 44104), (5920, 43359), (5960, 43068), (7152, 35890), (7178, 35760), (7760, 33078), (8880, 28906), (8940, 28712), (9312, 27565), (10767, 23840), (11026, 23280), (11640, 22052), (11920, 21534), (14304, 17945), (14356, 17880), (14453, 17760), (15520, 16539)]