405551520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25603}}^1$

素因数の和:25635

約数の個数: 144

約数和(自身を含む): 1509816672

約数和(自身を除く): 1104265152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 25603, 51206, 76809, 102412, 128015, 153618, 204824, 230427, 256030, 281633, 307236, 384045, 409648, 460854, 512060, 563266, 614472, 768090, 819296, 844899, 921708, 1024120, 1126532, 1152135, 1228944, 1408165, 1536180, 1689798, 1843416, 2048240, 2253064, 2304270, 2457888, 2534697, 2816330, 3072360, 3379596, 3686832, 4096480, 4224495, 4506128, 4608540, 5069394, 5632660, 6144720, 6759192, 7373664, 8448990, 9012256, 9217080, 10138788, 11265320, 12289440, 12673485, 13518384, 16897980, 18434160, 20277576, 22530640, 25346970, 27036768, 33795960, 36868320, 40555152, 45061280, 50693940, 67591920, 81110304, 101387880, 135183840, 202775760, 405551520]

約数ペア:

[(1, 405551520), (2, 202775760), (3, 135183840), (4, 101387880), (5, 81110304), (6, 67591920), (8, 50693940), (9, 45061280), (10, 40555152), (11, 36868320), (12, 33795960), (15, 27036768), (16, 25346970), (18, 22530640), (20, 20277576), (22, 18434160), (24, 16897980), (30, 13518384), (32, 12673485), (33, 12289440), (36, 11265320), (40, 10138788), (44, 9217080), (45, 9012256), (48, 8448990), (55, 7373664), (60, 6759192), (66, 6144720), (72, 5632660), (80, 5069394), (88, 4608540), (90, 4506128), (96, 4224495), (99, 4096480), (110, 3686832), (120, 3379596), (132, 3072360), (144, 2816330), (160, 2534697), (165, 2457888), (176, 2304270), (180, 2253064), (198, 2048240), (220, 1843416), (240, 1689798), (264, 1536180), (288, 1408165), (330, 1228944), (352, 1152135), (360, 1126532), (396, 1024120), (440, 921708), (480, 844899), (495, 819296), (528, 768090), (660, 614472), (720, 563266), (792, 512060), (880, 460854), (990, 409648), (1056, 384045), (1320, 307236), (1440, 281633), (1584, 256030), (1760, 230427), (1980, 204824), (2640, 153618), (3168, 128015), (3960, 102412), (5280, 76809), (7920, 51206), (15840, 25603)]