66880000

素因数分解:

$2^9\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 200

約数和(自身を含む): 191751120

約数和(自身を除く): 124871120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 64, 76, 80, 88, 95, 100, 110, 125, 128, 152, 160, 176, 190, 200, 209, 220, 250, 256, 275, 304, 320, 352, 380, 400, 418, 440, 475, 500, 512, 550, 608, 625, 640, 704, 760, 800, 836, 880, 950, 1000, 1045, 1100, 1216, 1250, 1280, 1375, 1408, 1520, 1600, 1672, 1760, 1900, 2000, 2090, 2200, 2375, 2432, 2500, 2560, 2750, 2816, 3040, 3200, 3344, 3520, 3800, 4000, 4180, 4400, 4750, 4864, 5000, 5225, 5500, 5632, 6080, 6400, 6688, 6875, 7040, 7600, 8000, 8360, 8800, 9500, 9728, 10000, 10450, 11000, 11875, 12160, 12800, 13376, 13750, 14080, 15200, 16000, 16720, 17600, 19000, 20000, 20900, 22000, 23750, 24320, 26125, 26752, 27500, 28160, 30400, 32000, 33440, 35200, 38000, 40000, 41800, 44000, 47500, 48640, 52250, 53504, 55000, 60800, 64000, 66880, 70400, 76000, 80000, 83600, 88000, 95000, 104500, 107008, 110000, 121600, 130625, 133760, 140800, 152000, 160000, 167200, 176000, 190000, 209000, 220000, 243200, 261250, 267520, 304000, 320000, 334400, 352000, 380000, 418000, 440000, 522500, 535040, 608000, 668800, 704000, 760000, 836000, 880000, 1045000, 1216000, 1337600, 1520000, 1672000, 1760000, 2090000, 2675200, 3040000, 3344000, 3520000, 4180000, 6080000, 6688000, 8360000, 13376000, 16720000, 33440000, 66880000]

約数ペア:

[(1, 66880000), (2, 33440000), (4, 16720000), (5, 13376000), (8, 8360000), (10, 6688000), (11, 6080000), (16, 4180000), (19, 3520000), (20, 3344000), (22, 3040000), (25, 2675200), (32, 2090000), (38, 1760000), (40, 1672000), (44, 1520000), (50, 1337600), (55, 1216000), (64, 1045000), (76, 880000), (80, 836000), (88, 760000), (95, 704000), (100, 668800), (110, 608000), (125, 535040), (128, 522500), (152, 440000), (160, 418000), (176, 380000), (190, 352000), (200, 334400), (209, 320000), (220, 304000), (250, 267520), (256, 261250), (275, 243200), (304, 220000), (320, 209000), (352, 190000), (380, 176000), (400, 167200), (418, 160000), (440, 152000), (475, 140800), (500, 133760), (512, 130625), (550, 121600), (608, 110000), (625, 107008), (640, 104500), (704, 95000), (760, 88000), (800, 83600), (836, 80000), (880, 76000), (950, 70400), (1000, 66880), (1045, 64000), (1100, 60800), (1216, 55000), (1250, 53504), (1280, 52250), (1375, 48640), (1408, 47500), (1520, 44000), (1600, 41800), (1672, 40000), (1760, 38000), (1900, 35200), (2000, 33440), (2090, 32000), (2200, 30400), (2375, 28160), (2432, 27500), (2500, 26752), (2560, 26125), (2750, 24320), (2816, 23750), (3040, 22000), (3200, 20900), (3344, 20000), (3520, 19000), (3800, 17600), (4000, 16720), (4180, 16000), (4400, 15200), (4750, 14080), (4864, 13750), (5000, 13376), (5225, 12800), (5500, 12160), (5632, 11875), (6080, 11000), (6400, 10450), (6688, 10000), (6875, 9728), (7040, 9500), (7600, 8800), (8000, 8360)]