688759920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12109}}^1$

素因数の和:12207

約数の個数: 120

約数和(自身を含む): 2342558400

約数和(自身を除く): 1653798480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 12109, 14220, 18960, 24218, 28440, 36327, 48436, 56880, 60545, 72654, 96872, 108981, 121090, 145308, 181635, 193744, 217962, 242180, 290616, 363270, 435924, 484360, 544905, 581232, 726540, 871848, 956611, 968720, 1089810, 1453080, 1743696, 1913222, 2179620, 2869833, 2906160, 3826444, 4359240, 4783055, 5739666, 7652888, 8609499, 8718480, 9566110, 11479332, 14349165, 15305776, 17218998, 19132220, 22958664, 28698330, 34437996, 38264440, 43047495, 45917328, 57396660, 68875992, 76528880, 86094990, 114793320, 137751984, 172189980, 229586640, 344379960, 688759920]

約数ペア:

[(1, 688759920), (2, 344379960), (3, 229586640), (4, 172189980), (5, 137751984), (6, 114793320), (8, 86094990), (9, 76528880), (10, 68875992), (12, 57396660), (15, 45917328), (16, 43047495), (18, 38264440), (20, 34437996), (24, 28698330), (30, 22958664), (36, 19132220), (40, 17218998), (45, 15305776), (48, 14349165), (60, 11479332), (72, 9566110), (79, 8718480), (80, 8609499), (90, 7652888), (120, 5739666), (144, 4783055), (158, 4359240), (180, 3826444), (237, 2906160), (240, 2869833), (316, 2179620), (360, 1913222), (395, 1743696), (474, 1453080), (632, 1089810), (711, 968720), (720, 956611), (790, 871848), (948, 726540), (1185, 581232), (1264, 544905), (1422, 484360), (1580, 435924), (1896, 363270), (2370, 290616), (2844, 242180), (3160, 217962), (3555, 193744), (3792, 181635), (4740, 145308), (5688, 121090), (6320, 108981), (7110, 96872), (9480, 72654), (11376, 60545), (12109, 56880), (14220, 48436), (18960, 36327), (24218, 28440)]