391240320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{203771}}^1$

素因数の和:203793

約数の個数: 64

約数和(自身を含む): 1247084640

約数和(自身を除く): 855844320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 203771, 407542, 611313, 815084, 1018855, 1222626, 1630168, 2037710, 2445252, 3056565, 3260336, 4075420, 4890504, 6113130, 6520672, 8150840, 9781008, 12226260, 13041344, 16301680, 19562016, 24452520, 26082688, 32603360, 39124032, 48905040, 65206720, 78248064, 97810080, 130413440, 195620160, 391240320]

約数ペア:

[(1, 391240320), (2, 195620160), (3, 130413440), (4, 97810080), (5, 78248064), (6, 65206720), (8, 48905040), (10, 39124032), (12, 32603360), (15, 26082688), (16, 24452520), (20, 19562016), (24, 16301680), (30, 13041344), (32, 12226260), (40, 9781008), (48, 8150840), (60, 6520672), (64, 6113130), (80, 4890504), (96, 4075420), (120, 3260336), (128, 3056565), (160, 2445252), (192, 2037710), (240, 1630168), (320, 1222626), (384, 1018855), (480, 815084), (640, 611313), (960, 407542), (1920, 203771)]