256516560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9629}}^1$

素因数の和:9685

約数の個数: 120

約数和(自身を含む): 884842920

約数和(自身を除く): 628326360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 9629, 13320, 19258, 26640, 28887, 38516, 48145, 57774, 77032, 86661, 96290, 115548, 144435, 154064, 173322, 192580, 231096, 288870, 346644, 356273, 385160, 433305, 462192, 577740, 693288, 712546, 770320, 866610, 1068819, 1155480, 1386576, 1425092, 1733220, 1781365, 2137638, 2310960, 2850184, 3206457, 3466440, 3562730, 4275276, 5344095, 5700368, 6412914, 6932880, 7125460, 8550552, 10688190, 12825828, 14250920, 16032285, 17101104, 21376380, 25651656, 28501840, 32064570, 42752760, 51303312, 64129140, 85505520, 128258280, 256516560]

約数ペア:

[(1, 256516560), (2, 128258280), (3, 85505520), (4, 64129140), (5, 51303312), (6, 42752760), (8, 32064570), (9, 28501840), (10, 25651656), (12, 21376380), (15, 17101104), (16, 16032285), (18, 14250920), (20, 12825828), (24, 10688190), (30, 8550552), (36, 7125460), (37, 6932880), (40, 6412914), (45, 5700368), (48, 5344095), (60, 4275276), (72, 3562730), (74, 3466440), (80, 3206457), (90, 2850184), (111, 2310960), (120, 2137638), (144, 1781365), (148, 1733220), (180, 1425092), (185, 1386576), (222, 1155480), (240, 1068819), (296, 866610), (333, 770320), (360, 712546), (370, 693288), (444, 577740), (555, 462192), (592, 433305), (666, 385160), (720, 356273), (740, 346644), (888, 288870), (1110, 231096), (1332, 192580), (1480, 173322), (1665, 154064), (1776, 144435), (2220, 115548), (2664, 96290), (2960, 86661), (3330, 77032), (4440, 57774), (5328, 48145), (6660, 38516), (8880, 28887), (9629, 26640), (13320, 19258)]