225885440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 602211456

約数和(自身を除く): 376326016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 128, 160, 176, 220, 244, 256, 263, 305, 320, 352, 440, 488, 526, 610, 640, 671, 704, 880, 976, 1052, 1220, 1280, 1315, 1342, 1408, 1760, 1952, 2104, 2440, 2630, 2684, 2816, 2893, 3355, 3520, 3904, 4208, 4880, 5260, 5368, 5786, 6710, 7040, 7808, 8416, 9760, 10520, 10736, 11572, 13420, 14080, 14465, 15616, 16043, 16832, 19520, 21040, 21472, 23144, 26840, 28930, 32086, 33664, 39040, 42080, 42944, 46288, 53680, 57860, 64172, 67328, 78080, 80215, 84160, 85888, 92576, 107360, 115720, 128344, 160430, 168320, 171776, 176473, 185152, 214720, 231440, 256688, 320860, 336640, 352946, 370304, 429440, 462880, 513376, 641720, 705892, 740608, 858880, 882365, 925760, 1026752, 1283440, 1411784, 1764730, 1851520, 2053504, 2566880, 2823568, 3529460, 3703040, 4107008, 5133760, 5647136, 7058920, 10267520, 11294272, 14117840, 20535040, 22588544, 28235680, 45177088, 56471360, 112942720, 225885440]

約数ペア:

[(1, 225885440), (2, 112942720), (4, 56471360), (5, 45177088), (8, 28235680), (10, 22588544), (11, 20535040), (16, 14117840), (20, 11294272), (22, 10267520), (32, 7058920), (40, 5647136), (44, 5133760), (55, 4107008), (61, 3703040), (64, 3529460), (80, 2823568), (88, 2566880), (110, 2053504), (122, 1851520), (128, 1764730), (160, 1411784), (176, 1283440), (220, 1026752), (244, 925760), (256, 882365), (263, 858880), (305, 740608), (320, 705892), (352, 641720), (440, 513376), (488, 462880), (526, 429440), (610, 370304), (640, 352946), (671, 336640), (704, 320860), (880, 256688), (976, 231440), (1052, 214720), (1220, 185152), (1280, 176473), (1315, 171776), (1342, 168320), (1408, 160430), (1760, 128344), (1952, 115720), (2104, 107360), (2440, 92576), (2630, 85888), (2684, 84160), (2816, 80215), (2893, 78080), (3355, 67328), (3520, 64172), (3904, 57860), (4208, 53680), (4880, 46288), (5260, 42944), (5368, 42080), (5786, 39040), (6710, 33664), (7040, 32086), (7808, 28930), (8416, 26840), (9760, 23144), (10520, 21472), (10736, 21040), (11572, 19520), (13420, 16832), (14080, 16043), (14465, 15616)]