156688640

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 378123648

約数和(自身を除く): 221435008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 640, 652, 751, 815, 1280, 1304, 1502, 1630, 2608, 3004, 3260, 3755, 5216, 6008, 6520, 7510, 10432, 12016, 13040, 15020, 20864, 24032, 26080, 30040, 41728, 48064, 52160, 60080, 96128, 104320, 120160, 122413, 192256, 208640, 240320, 244826, 480640, 489652, 612065, 961280, 979304, 1224130, 1958608, 2448260, 3917216, 4896520, 7834432, 9793040, 15668864, 19586080, 31337728, 39172160, 78344320, 156688640]

約数ペア:

[(1, 156688640), (2, 78344320), (4, 39172160), (5, 31337728), (8, 19586080), (10, 15668864), (16, 9793040), (20, 7834432), (32, 4896520), (40, 3917216), (64, 2448260), (80, 1958608), (128, 1224130), (160, 979304), (163, 961280), (256, 612065), (320, 489652), (326, 480640), (640, 244826), (652, 240320), (751, 208640), (815, 192256), (1280, 122413), (1304, 120160), (1502, 104320), (1630, 96128), (2608, 60080), (3004, 52160), (3260, 48064), (3755, 41728), (5216, 30040), (6008, 26080), (6520, 24032), (7510, 20864), (10432, 15020), (12016, 13040)]