1287761280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51593}}^1$

素因数の和:51628

約数の個数: 128

約数和(自身を含む): 4420573920

約数和(自身を除く): 3132812640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 51593, 103186, 154779, 206372, 257965, 309558, 412744, 515930, 619116, 670709, 773895, 825488, 1031860, 1238232, 1341418, 1547790, 1650976, 2012127, 2063720, 2476464, 2682836, 3095580, 3301952, 3353545, 4024254, 4127440, 4952928, 5365672, 6191160, 6603904, 6707090, 8048508, 8254880, 9905856, 10060635, 10731344, 12382320, 13414180, 16097016, 16509760, 19811712, 20121270, 21462688, 24764640, 26828360, 32194032, 33019520, 40242540, 42925376, 49529280, 53656720, 64388064, 80485080, 85850752, 99058560, 107313440, 128776128, 160970160, 214626880, 257552256, 321940320, 429253760, 643880640, 1287761280]

約数ペア:

[(1, 1287761280), (2, 643880640), (3, 429253760), (4, 321940320), (5, 257552256), (6, 214626880), (8, 160970160), (10, 128776128), (12, 107313440), (13, 99058560), (15, 85850752), (16, 80485080), (20, 64388064), (24, 53656720), (26, 49529280), (30, 42925376), (32, 40242540), (39, 33019520), (40, 32194032), (48, 26828360), (52, 24764640), (60, 21462688), (64, 20121270), (65, 19811712), (78, 16509760), (80, 16097016), (96, 13414180), (104, 12382320), (120, 10731344), (128, 10060635), (130, 9905856), (156, 8254880), (160, 8048508), (192, 6707090), (195, 6603904), (208, 6191160), (240, 5365672), (260, 4952928), (312, 4127440), (320, 4024254), (384, 3353545), (390, 3301952), (416, 3095580), (480, 2682836), (520, 2476464), (624, 2063720), (640, 2012127), (780, 1650976), (832, 1547790), (960, 1341418), (1040, 1238232), (1248, 1031860), (1560, 825488), (1664, 773895), (1920, 670709), (2080, 619116), (2496, 515930), (3120, 412744), (4160, 309558), (4992, 257965), (6240, 206372), (8320, 154779), (12480, 103186), (24960, 51593)]