20455804800

素因数分解:

$2^7\times 3^4\times 5^2\times {\mathrm{78919}}^1$

素因数の和:78955

約数の個数: 240

約数和(自身を含む): 75487374600

約数和(自身を除く): 55031569800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 324, 360, 384, 400, 405, 432, 450, 480, 540, 576, 600, 640, 648, 675, 720, 800, 810, 864, 900, 960, 1080, 1152, 1200, 1296, 1350, 1440, 1600, 1620, 1728, 1800, 1920, 2025, 2160, 2400, 2592, 2700, 2880, 3200, 3240, 3456, 3600, 4050, 4320, 4800, 5184, 5400, 5760, 6480, 7200, 8100, 8640, 9600, 10368, 10800, 12960, 14400, 16200, 17280, 21600, 25920, 28800, 32400, 43200, 51840, 64800, 78919, 86400, 129600, 157838, 236757, 259200, 315676, 394595, 473514, 631352, 710271, 789190, 947028, 1183785, 1262704, 1420542, 1578380, 1894056, 1972975, 2130813, 2367570, 2525408, 2841084, 3156760, 3551355, 3788112, 3945950, 4261626, 4735140, 5050816, 5682168, 5918925, 6313520, 6392439, 7102710, 7576224, 7891900, 8523252, 9470280, 10101632, 10654065, 11364336, 11837850, 12627040, 12784878, 14205420, 15152448, 15783800, 17046504, 17756775, 18940560, 21308130, 22728672, 23675700, 25254080, 25569756, 28410840, 30304896, 31567600, 31962195, 34093008, 35513550, 37881120, 42616260, 45457344, 47351400, 50508160, 51139512, 53270325, 56821680, 63135200, 63924390, 68186016, 71027100, 75762240, 85232520, 90914688, 94702800, 102279024, 106540650, 113643360, 126270400, 127848780, 136372032, 142054200, 151524480, 159810975, 170465040, 189405600, 204558048, 213081300, 227286720, 252540800, 255697560, 272744064, 284108400, 319621950, 340930080, 378811200, 409116096, 426162600, 454573440, 511395120, 568216800, 639243900, 681860160, 757622400, 818232192, 852325200, 1022790240, 1136433600, 1278487800, 1363720320, 1704650400, 2045580480, 2272867200, 2556975600, 3409300800, 4091160960, 5113951200, 6818601600, 10227902400, 20455804800]

約数ペア:

[(1, 20455804800), (2, 10227902400), (3, 6818601600), (4, 5113951200), (5, 4091160960), (6, 3409300800), (8, 2556975600), (9, 2272867200), (10, 2045580480), (12, 1704650400), (15, 1363720320), (16, 1278487800), (18, 1136433600), (20, 1022790240), (24, 852325200), (25, 818232192), (27, 757622400), (30, 681860160), (32, 639243900), (36, 568216800), (40, 511395120), (45, 454573440), (48, 426162600), (50, 409116096), (54, 378811200), (60, 340930080), (64, 319621950), (72, 284108400), (75, 272744064), (80, 255697560), (81, 252540800), (90, 227286720), (96, 213081300), (100, 204558048), (108, 189405600), (120, 170465040), (128, 159810975), (135, 151524480), (144, 142054200), (150, 136372032), (160, 127848780), (162, 126270400), (180, 113643360), (192, 106540650), (200, 102279024), (216, 94702800), (225, 90914688), (240, 85232520), (270, 75762240), (288, 71027100), (300, 68186016), (320, 63924390), (324, 63135200), (360, 56821680), (384, 53270325), (400, 51139512), (405, 50508160), (432, 47351400), (450, 45457344), (480, 42616260), (540, 37881120), (576, 35513550), (600, 34093008), (640, 31962195), (648, 31567600), (675, 30304896), (720, 28410840), (800, 25569756), (810, 25254080), (864, 23675700), (900, 22728672), (960, 21308130), (1080, 18940560), (1152, 17756775), (1200, 17046504), (1296, 15783800), (1350, 15152448), (1440, 14205420), (1600, 12784878), (1620, 12627040), (1728, 11837850), (1800, 11364336), (1920, 10654065), (2025, 10101632), (2160, 9470280), (2400, 8523252), (2592, 7891900), (2700, 7576224), (2880, 7102710), (3200, 6392439), (3240, 6313520), (3456, 5918925), (3600, 5682168), (4050, 5050816), (4320, 4735140), (4800, 4261626), (5184, 3945950), (5400, 3788112), (5760, 3551355), (6480, 3156760), (7200, 2841084), (8100, 2525408), (8640, 2367570), (9600, 2130813), (10368, 1972975), (10800, 1894056), (12960, 1578380), (14400, 1420542), (16200, 1262704), (17280, 1183785), (21600, 947028), (25920, 789190), (28800, 710271), (32400, 631352), (43200, 473514), (51840, 394595), (64800, 315676), (78919, 259200), (86400, 236757), (129600, 157838)]