40984320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:858

約数の個数: 144

約数和(自身を含む): 141134112

約数和(自身を除く): 100149792

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, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 821, 832, 960, 1040, 1248, 1280, 1560, 1642, 1664, 1920, 2080, 2463, 2496, 3120, 3284, 3328, 3840, 4105, 4160, 4926, 4992, 6240, 6568, 8210, 8320, 9852, 9984, 10673, 12315, 12480, 13136, 16420, 16640, 19704, 21346, 24630, 24960, 26272, 32019, 32840, 39408, 42692, 49260, 49920, 52544, 53365, 64038, 65680, 78816, 85384, 98520, 105088, 106730, 128076, 131360, 157632, 160095, 170768, 197040, 210176, 213460, 256152, 262720, 315264, 320190, 341536, 394080, 426920, 512304, 525440, 630528, 640380, 683072, 788160, 853840, 1024608, 1050880, 1280760, 1366144, 1576320, 1707680, 2049216, 2561520, 2732288, 3152640, 3415360, 4098432, 5123040, 6830720, 8196864, 10246080, 13661440, 20492160, 40984320]

約数ペア:

[(1, 40984320), (2, 20492160), (3, 13661440), (4, 10246080), (5, 8196864), (6, 6830720), (8, 5123040), (10, 4098432), (12, 3415360), (13, 3152640), (15, 2732288), (16, 2561520), (20, 2049216), (24, 1707680), (26, 1576320), (30, 1366144), (32, 1280760), (39, 1050880), (40, 1024608), (48, 853840), (52, 788160), (60, 683072), (64, 640380), (65, 630528), (78, 525440), (80, 512304), (96, 426920), (104, 394080), (120, 341536), (128, 320190), (130, 315264), (156, 262720), (160, 256152), (192, 213460), (195, 210176), (208, 197040), (240, 170768), (256, 160095), (260, 157632), (312, 131360), (320, 128076), (384, 106730), (390, 105088), (416, 98520), (480, 85384), (520, 78816), (624, 65680), (640, 64038), (768, 53365), (780, 52544), (821, 49920), (832, 49260), (960, 42692), (1040, 39408), (1248, 32840), (1280, 32019), (1560, 26272), (1642, 24960), (1664, 24630), (1920, 21346), (2080, 19704), (2463, 16640), (2496, 16420), (3120, 13136), (3284, 12480), (3328, 12315), (3840, 10673), (4105, 9984), (4160, 9852), (4926, 8320), (4992, 8210), (6240, 6568)]