72089600

素因数分解:

$2^{18}\times 5^2\times {\mathrm{11}}^1$

素因数の和:57

約数の個数: 114

約数和(自身を含む): 195034764

約数和(自身を除く): 122945164

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 440, 512, 550, 640, 704, 800, 880, 1024, 1100, 1280, 1408, 1600, 1760, 2048, 2200, 2560, 2816, 3200, 3520, 4096, 4400, 5120, 5632, 6400, 7040, 8192, 8800, 10240, 11264, 12800, 14080, 16384, 17600, 20480, 22528, 25600, 28160, 32768, 35200, 40960, 45056, 51200, 56320, 65536, 70400, 81920, 90112, 102400, 112640, 131072, 140800, 163840, 180224, 204800, 225280, 262144, 281600, 327680, 360448, 409600, 450560, 563200, 655360, 720896, 819200, 901120, 1126400, 1310720, 1441792, 1638400, 1802240, 2252800, 2883584, 3276800, 3604480, 4505600, 6553600, 7208960, 9011200, 14417920, 18022400, 36044800, 72089600]

約数ペア:

[(1, 72089600), (2, 36044800), (4, 18022400), (5, 14417920), (8, 9011200), (10, 7208960), (11, 6553600), (16, 4505600), (20, 3604480), (22, 3276800), (25, 2883584), (32, 2252800), (40, 1802240), (44, 1638400), (50, 1441792), (55, 1310720), (64, 1126400), (80, 901120), (88, 819200), (100, 720896), (110, 655360), (128, 563200), (160, 450560), (176, 409600), (200, 360448), (220, 327680), (256, 281600), (275, 262144), (320, 225280), (352, 204800), (400, 180224), (440, 163840), (512, 140800), (550, 131072), (640, 112640), (704, 102400), (800, 90112), (880, 81920), (1024, 70400), (1100, 65536), (1280, 56320), (1408, 51200), (1600, 45056), (1760, 40960), (2048, 35200), (2200, 32768), (2560, 28160), (2816, 25600), (3200, 22528), (3520, 20480), (4096, 17600), (4400, 16384), (5120, 14080), (5632, 12800), (6400, 11264), (7040, 10240), (8192, 8800)]