26381280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 91119168

約数和(自身を除く): 64737888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 53, 60, 61, 68, 80, 85, 96, 102, 106, 120, 122, 136, 159, 160, 170, 183, 204, 212, 240, 244, 255, 265, 272, 305, 318, 340, 366, 408, 424, 480, 488, 510, 530, 544, 610, 636, 680, 732, 795, 816, 848, 901, 915, 976, 1020, 1037, 1060, 1220, 1272, 1360, 1464, 1590, 1632, 1696, 1802, 1830, 1952, 2040, 2074, 2120, 2440, 2544, 2703, 2720, 2928, 3111, 3180, 3233, 3604, 3660, 4080, 4148, 4240, 4505, 4880, 5088, 5185, 5406, 5856, 6222, 6360, 6466, 7208, 7320, 8160, 8296, 8480, 9010, 9699, 9760, 10370, 10812, 12444, 12720, 12932, 13515, 14416, 14640, 15555, 16165, 16592, 18020, 19398, 20740, 21624, 24888, 25440, 25864, 27030, 28832, 29280, 31110, 32330, 33184, 36040, 38796, 41480, 43248, 48495, 49776, 51728, 54060, 54961, 62220, 64660, 72080, 77592, 82960, 86496, 96990, 99552, 103456, 108120, 109922, 124440, 129320, 144160, 155184, 164883, 165920, 193980, 216240, 219844, 248880, 258640, 274805, 310368, 329766, 387960, 432480, 439688, 497760, 517280, 549610, 659532, 775920, 824415, 879376, 1099220, 1319064, 1551840, 1648830, 1758752, 2198440, 2638128, 3297660, 4396880, 5276256, 6595320, 8793760, 13190640, 26381280]

約数ペア:

[(1, 26381280), (2, 13190640), (3, 8793760), (4, 6595320), (5, 5276256), (6, 4396880), (8, 3297660), (10, 2638128), (12, 2198440), (15, 1758752), (16, 1648830), (17, 1551840), (20, 1319064), (24, 1099220), (30, 879376), (32, 824415), (34, 775920), (40, 659532), (48, 549610), (51, 517280), (53, 497760), (60, 439688), (61, 432480), (68, 387960), (80, 329766), (85, 310368), (96, 274805), (102, 258640), (106, 248880), (120, 219844), (122, 216240), (136, 193980), (159, 165920), (160, 164883), (170, 155184), (183, 144160), (204, 129320), (212, 124440), (240, 109922), (244, 108120), (255, 103456), (265, 99552), (272, 96990), (305, 86496), (318, 82960), (340, 77592), (366, 72080), (408, 64660), (424, 62220), (480, 54961), (488, 54060), (510, 51728), (530, 49776), (544, 48495), (610, 43248), (636, 41480), (680, 38796), (732, 36040), (795, 33184), (816, 32330), (848, 31110), (901, 29280), (915, 28832), (976, 27030), (1020, 25864), (1037, 25440), (1060, 24888), (1220, 21624), (1272, 20740), (1360, 19398), (1464, 18020), (1590, 16592), (1632, 16165), (1696, 15555), (1802, 14640), (1830, 14416), (1952, 13515), (2040, 12932), (2074, 12720), (2120, 12444), (2440, 10812), (2544, 10370), (2703, 9760), (2720, 9699), (2928, 9010), (3111, 8480), (3180, 8296), (3233, 8160), (3604, 7320), (3660, 7208), (4080, 6466), (4148, 6360), (4240, 6222), (4505, 5856), (4880, 5406), (5088, 5185)]