221250528

素因数分解:

$2^5\times 3^5\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 144

約数和(自身を含む): 670990320

約数和(自身を除く): 449739792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 72, 74, 81, 96, 108, 111, 144, 148, 162, 216, 222, 243, 288, 296, 324, 333, 432, 444, 486, 592, 648, 666, 769, 864, 888, 972, 999, 1184, 1296, 1332, 1538, 1776, 1944, 1998, 2307, 2592, 2664, 2997, 3076, 3552, 3888, 3996, 4614, 5328, 5994, 6152, 6921, 7776, 7992, 8991, 9228, 10656, 11988, 12304, 13842, 15984, 17982, 18456, 20763, 23976, 24608, 27684, 28453, 31968, 35964, 36912, 41526, 47952, 55368, 56906, 62289, 71928, 73824, 83052, 85359, 95904, 110736, 113812, 124578, 143856, 166104, 170718, 186867, 221472, 227624, 249156, 256077, 287712, 332208, 341436, 373734, 455248, 498312, 512154, 664416, 682872, 747468, 768231, 910496, 996624, 1024308, 1365744, 1494936, 1536462, 1993248, 2048616, 2304693, 2731488, 2989872, 3072924, 4097232, 4609386, 5979744, 6145848, 6914079, 8194464, 9218772, 12291696, 13828158, 18437544, 24583392, 27656316, 36875088, 55312632, 73750176, 110625264, 221250528]

約数ペア:

[(1, 221250528), (2, 110625264), (3, 73750176), (4, 55312632), (6, 36875088), (8, 27656316), (9, 24583392), (12, 18437544), (16, 13828158), (18, 12291696), (24, 9218772), (27, 8194464), (32, 6914079), (36, 6145848), (37, 5979744), (48, 4609386), (54, 4097232), (72, 3072924), (74, 2989872), (81, 2731488), (96, 2304693), (108, 2048616), (111, 1993248), (144, 1536462), (148, 1494936), (162, 1365744), (216, 1024308), (222, 996624), (243, 910496), (288, 768231), (296, 747468), (324, 682872), (333, 664416), (432, 512154), (444, 498312), (486, 455248), (592, 373734), (648, 341436), (666, 332208), (769, 287712), (864, 256077), (888, 249156), (972, 227624), (999, 221472), (1184, 186867), (1296, 170718), (1332, 166104), (1538, 143856), (1776, 124578), (1944, 113812), (1998, 110736), (2307, 95904), (2592, 85359), (2664, 83052), (2997, 73824), (3076, 71928), (3552, 62289), (3888, 56906), (3996, 55368), (4614, 47952), (5328, 41526), (5994, 36912), (6152, 35964), (6921, 31968), (7776, 28453), (7992, 27684), (8991, 24608), (9228, 23976), (10656, 20763), (11988, 18456), (12304, 17982), (13842, 15984)]