278566720

素因数分解:

$2^6\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1483}}^1$

素因数の和:2087

約数の個数: 56

約数和(自身を含む): 664915104

約数和(自身を除く): 386348384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 587, 1174, 1483, 2348, 2935, 2966, 4696, 5870, 5932, 7415, 9392, 11740, 11864, 14830, 18784, 23480, 23728, 29660, 37568, 46960, 47456, 59320, 93920, 94912, 118640, 187840, 237280, 474560, 870521, 1741042, 3482084, 4352605, 6964168, 8705210, 13928336, 17410420, 27856672, 34820840, 55713344, 69641680, 139283360, 278566720]

約数ペア:

[(1, 278566720), (2, 139283360), (4, 69641680), (5, 55713344), (8, 34820840), (10, 27856672), (16, 17410420), (20, 13928336), (32, 8705210), (40, 6964168), (64, 4352605), (80, 3482084), (160, 1741042), (320, 870521), (587, 474560), (1174, 237280), (1483, 187840), (2348, 118640), (2935, 94912), (2966, 93920), (4696, 59320), (5870, 47456), (5932, 46960), (7415, 37568), (9392, 29660), (11740, 23728), (11864, 23480), (14830, 18784)]