8378240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 23133600

約数和(自身を除く): 14755360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 53, 64, 65, 76, 80, 95, 104, 106, 128, 130, 152, 160, 190, 208, 212, 247, 260, 265, 304, 320, 380, 416, 424, 494, 520, 530, 608, 640, 689, 760, 832, 848, 988, 1007, 1040, 1060, 1216, 1235, 1378, 1520, 1664, 1696, 1976, 2014, 2080, 2120, 2432, 2470, 2756, 3040, 3392, 3445, 3952, 4028, 4160, 4240, 4940, 5035, 5512, 6080, 6784, 6890, 7904, 8056, 8320, 8480, 9880, 10070, 11024, 12160, 13091, 13780, 15808, 16112, 16960, 19760, 20140, 22048, 26182, 27560, 31616, 32224, 33920, 39520, 40280, 44096, 52364, 55120, 64448, 65455, 79040, 80560, 88192, 104728, 110240, 128896, 130910, 158080, 161120, 209456, 220480, 261820, 322240, 418912, 440960, 523640, 644480, 837824, 1047280, 1675648, 2094560, 4189120, 8378240]

約数ペア:

[(1, 8378240), (2, 4189120), (4, 2094560), (5, 1675648), (8, 1047280), (10, 837824), (13, 644480), (16, 523640), (19, 440960), (20, 418912), (26, 322240), (32, 261820), (38, 220480), (40, 209456), (52, 161120), (53, 158080), (64, 130910), (65, 128896), (76, 110240), (80, 104728), (95, 88192), (104, 80560), (106, 79040), (128, 65455), (130, 64448), (152, 55120), (160, 52364), (190, 44096), (208, 40280), (212, 39520), (247, 33920), (260, 32224), (265, 31616), (304, 27560), (320, 26182), (380, 22048), (416, 20140), (424, 19760), (494, 16960), (520, 16112), (530, 15808), (608, 13780), (640, 13091), (689, 12160), (760, 11024), (832, 10070), (848, 9880), (988, 8480), (1007, 8320), (1040, 8056), (1060, 7904), (1216, 6890), (1235, 6784), (1378, 6080), (1520, 5512), (1664, 5035), (1696, 4940), (1976, 4240), (2014, 4160), (2080, 4028), (2120, 3952), (2432, 3445), (2470, 3392), (2756, 3040)]