20128164480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3203}}^1$

素因数の和:4319

約数の個数: 192

約数和(自身を含む): 69590495520

約数和(自身を除く): 49462331040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1091, 1152, 1440, 1920, 2182, 2880, 3203, 3273, 4364, 5455, 5760, 6406, 6546, 8728, 9609, 9819, 10910, 12812, 13092, 16015, 16365, 17456, 19218, 19638, 21820, 25624, 26184, 28827, 32030, 32730, 34912, 38436, 39276, 43640, 48045, 49095, 51248, 52368, 57654, 64060, 65460, 69824, 76872, 78552, 87280, 96090, 98190, 102496, 104736, 115308, 128120, 130920, 139648, 144135, 153744, 157104, 174560, 192180, 196380, 204992, 209472, 230616, 256240, 261840, 288270, 307488, 314208, 349120, 384360, 392760, 409984, 418944, 461232, 512480, 523680, 576540, 614976, 628416, 698240, 768720, 785520, 922464, 1024960, 1047360, 1153080, 1229952, 1256832, 1537440, 1571040, 1844928, 2049920, 2094720, 2306160, 3074880, 3142080, 3494473, 3689856, 4612320, 6149760, 6284160, 6988946, 9224640, 10483419, 13977892, 17472365, 18449280, 20966838, 27955784, 31450257, 34944730, 41933676, 52417095, 55911568, 62900514, 69889460, 83867352, 104834190, 111823136, 125801028, 139778920, 157251285, 167734704, 209668380, 223646272, 251602056, 279557840, 314502570, 335469408, 419336760, 447292544, 503204112, 559115680, 629005140, 670938816, 838673520, 1006408224, 1118231360, 1258010280, 1341877632, 1677347040, 2012816448, 2236462720, 2516020560, 3354694080, 4025632896, 5032041120, 6709388160, 10064082240, 20128164480]

約数ペア:

[(1, 20128164480), (2, 10064082240), (3, 6709388160), (4, 5032041120), (5, 4025632896), (6, 3354694080), (8, 2516020560), (9, 2236462720), (10, 2012816448), (12, 1677347040), (15, 1341877632), (16, 1258010280), (18, 1118231360), (20, 1006408224), (24, 838673520), (30, 670938816), (32, 629005140), (36, 559115680), (40, 503204112), (45, 447292544), (48, 419336760), (60, 335469408), (64, 314502570), (72, 279557840), (80, 251602056), (90, 223646272), (96, 209668380), (120, 167734704), (128, 157251285), (144, 139778920), (160, 125801028), (180, 111823136), (192, 104834190), (240, 83867352), (288, 69889460), (320, 62900514), (360, 55911568), (384, 52417095), (480, 41933676), (576, 34944730), (640, 31450257), (720, 27955784), (960, 20966838), (1091, 18449280), (1152, 17472365), (1440, 13977892), (1920, 10483419), (2182, 9224640), (2880, 6988946), (3203, 6284160), (3273, 6149760), (4364, 4612320), (5455, 3689856), (5760, 3494473), (6406, 3142080), (6546, 3074880), (8728, 2306160), (9609, 2094720), (9819, 2049920), (10910, 1844928), (12812, 1571040), (13092, 1537440), (16015, 1256832), (16365, 1229952), (17456, 1153080), (19218, 1047360), (19638, 1024960), (21820, 922464), (25624, 785520), (26184, 768720), (28827, 698240), (32030, 628416), (32730, 614976), (34912, 576540), (38436, 523680), (39276, 512480), (43640, 461232), (48045, 418944), (49095, 409984), (51248, 392760), (52368, 384360), (57654, 349120), (64060, 314208), (65460, 307488), (69824, 288270), (76872, 261840), (78552, 256240), (87280, 230616), (96090, 209472), (98190, 204992), (102496, 196380), (104736, 192180), (115308, 174560), (128120, 157104), (130920, 153744), (139648, 144135)]