137377280

素因数分解:

$2^9\times 5^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 80

約数和(自身を含む): 333219744

約数和(自身を除く): 195842464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 512, 515, 521, 640, 824, 1030, 1042, 1280, 1648, 2060, 2084, 2560, 2605, 3296, 4120, 4168, 5210, 6592, 8240, 8336, 10420, 13184, 16480, 16672, 20840, 26368, 32960, 33344, 41680, 52736, 53663, 65920, 66688, 83360, 107326, 131840, 133376, 166720, 214652, 263680, 266752, 268315, 333440, 429304, 536630, 666880, 858608, 1073260, 1333760, 1717216, 2146520, 3434432, 4293040, 6868864, 8586080, 13737728, 17172160, 27475456, 34344320, 68688640, 137377280]

約数ペア:

[(1, 137377280), (2, 68688640), (4, 34344320), (5, 27475456), (8, 17172160), (10, 13737728), (16, 8586080), (20, 6868864), (32, 4293040), (40, 3434432), (64, 2146520), (80, 1717216), (103, 1333760), (128, 1073260), (160, 858608), (206, 666880), (256, 536630), (320, 429304), (412, 333440), (512, 268315), (515, 266752), (521, 263680), (640, 214652), (824, 166720), (1030, 133376), (1042, 131840), (1280, 107326), (1648, 83360), (2060, 66688), (2084, 65920), (2560, 53663), (2605, 52736), (3296, 41680), (4120, 33344), (4168, 32960), (5210, 26368), (6592, 20840), (8240, 16672), (8336, 16480), (10420, 13184)]