64448000

素因数分解:

$2^9\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 172355040

約数和(自身を除く): 107907040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 53, 64, 76, 80, 95, 100, 106, 125, 128, 152, 160, 190, 200, 212, 250, 256, 265, 304, 320, 380, 400, 424, 475, 500, 512, 530, 608, 640, 760, 800, 848, 950, 1000, 1007, 1060, 1216, 1280, 1325, 1520, 1600, 1696, 1900, 2000, 2014, 2120, 2375, 2432, 2560, 2650, 3040, 3200, 3392, 3800, 4000, 4028, 4240, 4750, 4864, 5035, 5300, 6080, 6400, 6625, 6784, 7600, 8000, 8056, 8480, 9500, 9728, 10070, 10600, 12160, 12800, 13250, 13568, 15200, 16000, 16112, 16960, 19000, 20140, 21200, 24320, 25175, 26500, 27136, 30400, 32000, 32224, 33920, 38000, 40280, 42400, 48640, 50350, 53000, 60800, 64000, 64448, 67840, 76000, 80560, 84800, 100700, 106000, 121600, 125875, 128896, 135680, 152000, 161120, 169600, 201400, 212000, 243200, 251750, 257792, 304000, 322240, 339200, 402800, 424000, 503500, 515584, 608000, 644480, 678400, 805600, 848000, 1007000, 1216000, 1288960, 1611200, 1696000, 2014000, 2577920, 3222400, 3392000, 4028000, 6444800, 8056000, 12889600, 16112000, 32224000, 64448000]

約数ペア:

[(1, 64448000), (2, 32224000), (4, 16112000), (5, 12889600), (8, 8056000), (10, 6444800), (16, 4028000), (19, 3392000), (20, 3222400), (25, 2577920), (32, 2014000), (38, 1696000), (40, 1611200), (50, 1288960), (53, 1216000), (64, 1007000), (76, 848000), (80, 805600), (95, 678400), (100, 644480), (106, 608000), (125, 515584), (128, 503500), (152, 424000), (160, 402800), (190, 339200), (200, 322240), (212, 304000), (250, 257792), (256, 251750), (265, 243200), (304, 212000), (320, 201400), (380, 169600), (400, 161120), (424, 152000), (475, 135680), (500, 128896), (512, 125875), (530, 121600), (608, 106000), (640, 100700), (760, 84800), (800, 80560), (848, 76000), (950, 67840), (1000, 64448), (1007, 64000), (1060, 60800), (1216, 53000), (1280, 50350), (1325, 48640), (1520, 42400), (1600, 40280), (1696, 38000), (1900, 33920), (2000, 32224), (2014, 32000), (2120, 30400), (2375, 27136), (2432, 26500), (2560, 25175), (2650, 24320), (3040, 21200), (3200, 20140), (3392, 19000), (3800, 16960), (4000, 16112), (4028, 16000), (4240, 15200), (4750, 13568), (4864, 13250), (5035, 12800), (5300, 12160), (6080, 10600), (6400, 10070), (6625, 9728), (6784, 9500), (7600, 8480), (8000, 8056)]