255779520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 224

約数和(自身を含む): 880262400

約数和(自身を除く): 624482880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 60, 64, 74, 76, 80, 95, 96, 111, 114, 120, 148, 152, 160, 185, 190, 192, 222, 228, 240, 285, 296, 304, 320, 370, 379, 380, 444, 456, 480, 555, 570, 592, 608, 703, 740, 758, 760, 888, 912, 960, 1110, 1137, 1140, 1184, 1216, 1406, 1480, 1516, 1520, 1776, 1824, 1895, 2109, 2220, 2274, 2280, 2368, 2812, 2960, 3032, 3040, 3515, 3552, 3648, 3790, 4218, 4440, 4548, 4560, 5624, 5685, 5920, 6064, 6080, 7030, 7104, 7201, 7580, 8436, 8880, 9096, 9120, 10545, 11248, 11370, 11840, 12128, 14023, 14060, 14402, 15160, 16872, 17760, 18192, 18240, 21090, 21603, 22496, 22740, 24256, 28046, 28120, 28804, 30320, 33744, 35520, 36005, 36384, 42069, 42180, 43206, 44992, 45480, 56092, 56240, 57608, 60640, 67488, 70115, 72010, 72768, 84138, 84360, 86412, 90960, 108015, 112184, 112480, 115216, 121280, 134976, 140230, 144020, 168276, 168720, 172824, 181920, 210345, 216030, 224368, 224960, 230432, 266437, 280460, 288040, 336552, 337440, 345648, 363840, 420690, 432060, 448736, 460864, 532874, 560920, 576080, 673104, 674880, 691296, 799311, 841380, 864120, 897472, 1065748, 1121840, 1152160, 1332185, 1346208, 1382592, 1598622, 1682760, 1728240, 2131496, 2243680, 2304320, 2664370, 2692416, 3197244, 3365520, 3456480, 3996555, 4262992, 4487360, 5328740, 6394488, 6731040, 6912960, 7993110, 8525984, 10657480, 12788976, 13462080, 15986220, 17051968, 21314960, 25577952, 31972440, 42629920, 51155904, 63944880, 85259840, 127889760, 255779520]

約数ペア:

[(1, 255779520), (2, 127889760), (3, 85259840), (4, 63944880), (5, 51155904), (6, 42629920), (8, 31972440), (10, 25577952), (12, 21314960), (15, 17051968), (16, 15986220), (19, 13462080), (20, 12788976), (24, 10657480), (30, 8525984), (32, 7993110), (37, 6912960), (38, 6731040), (40, 6394488), (48, 5328740), (57, 4487360), (60, 4262992), (64, 3996555), (74, 3456480), (76, 3365520), (80, 3197244), (95, 2692416), (96, 2664370), (111, 2304320), (114, 2243680), (120, 2131496), (148, 1728240), (152, 1682760), (160, 1598622), (185, 1382592), (190, 1346208), (192, 1332185), (222, 1152160), (228, 1121840), (240, 1065748), (285, 897472), (296, 864120), (304, 841380), (320, 799311), (370, 691296), (379, 674880), (380, 673104), (444, 576080), (456, 560920), (480, 532874), (555, 460864), (570, 448736), (592, 432060), (608, 420690), (703, 363840), (740, 345648), (758, 337440), (760, 336552), (888, 288040), (912, 280460), (960, 266437), (1110, 230432), (1137, 224960), (1140, 224368), (1184, 216030), (1216, 210345), (1406, 181920), (1480, 172824), (1516, 168720), (1520, 168276), (1776, 144020), (1824, 140230), (1895, 134976), (2109, 121280), (2220, 115216), (2274, 112480), (2280, 112184), (2368, 108015), (2812, 90960), (2960, 86412), (3032, 84360), (3040, 84138), (3515, 72768), (3552, 72010), (3648, 70115), (3790, 67488), (4218, 60640), (4440, 57608), (4548, 56240), (4560, 56092), (5624, 45480), (5685, 44992), (5920, 43206), (6064, 42180), (6080, 42069), (7030, 36384), (7104, 36005), (7201, 35520), (7580, 33744), (8436, 30320), (8880, 28804), (9096, 28120), (9120, 28046), (10545, 24256), (11248, 22740), (11370, 22496), (11840, 21603), (12128, 21090), (14023, 18240), (14060, 18192), (14402, 17760), (15160, 16872)]