31111920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6173}}^1$

素因数の和:6199

約数の個数: 120

約数和(自身を含む): 119429856

約数和(自身を除く): 88317936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6173, 12346, 18519, 24692, 30865, 37038, 43211, 49384, 55557, 61730, 74076, 86422, 92595, 98768, 111114, 123460, 129633, 148152, 172844, 185190, 216055, 222228, 246920, 259266, 277785, 296304, 345688, 370380, 388899, 432110, 444456, 493840, 518532, 555570, 648165, 691376, 740760, 777798, 864220, 888912, 1037064, 1111140, 1296330, 1481520, 1555596, 1728440, 1944495, 2074128, 2222280, 2592660, 3111192, 3456880, 3888990, 4444560, 5185320, 6222384, 7777980, 10370640, 15555960, 31111920]

約数ペア:

[(1, 31111920), (2, 15555960), (3, 10370640), (4, 7777980), (5, 6222384), (6, 5185320), (7, 4444560), (8, 3888990), (9, 3456880), (10, 3111192), (12, 2592660), (14, 2222280), (15, 2074128), (16, 1944495), (18, 1728440), (20, 1555596), (21, 1481520), (24, 1296330), (28, 1111140), (30, 1037064), (35, 888912), (36, 864220), (40, 777798), (42, 740760), (45, 691376), (48, 648165), (56, 555570), (60, 518532), (63, 493840), (70, 444456), (72, 432110), (80, 388899), (84, 370380), (90, 345688), (105, 296304), (112, 277785), (120, 259266), (126, 246920), (140, 222228), (144, 216055), (168, 185190), (180, 172844), (210, 148152), (240, 129633), (252, 123460), (280, 111114), (315, 98768), (336, 92595), (360, 86422), (420, 74076), (504, 61730), (560, 55557), (630, 49384), (720, 43211), (840, 37038), (1008, 30865), (1260, 24692), (1680, 18519), (2520, 12346), (5040, 6173)]