28977280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2383}}^1$

素因数の和:2421

約数の個数: 64

約数和(自身を含む): 72950400

約数和(自身を除く): 43973120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2383, 2432, 3040, 4766, 6080, 9532, 11915, 12160, 19064, 23830, 38128, 45277, 47660, 76256, 90554, 95320, 152512, 181108, 190640, 226385, 305024, 362216, 381280, 452770, 724432, 762560, 905540, 1448864, 1525120, 1811080, 2897728, 3622160, 5795456, 7244320, 14488640, 28977280]

約数ペア:

[(1, 28977280), (2, 14488640), (4, 7244320), (5, 5795456), (8, 3622160), (10, 2897728), (16, 1811080), (19, 1525120), (20, 1448864), (32, 905540), (38, 762560), (40, 724432), (64, 452770), (76, 381280), (80, 362216), (95, 305024), (128, 226385), (152, 190640), (160, 181108), (190, 152512), (304, 95320), (320, 90554), (380, 76256), (608, 47660), (640, 45277), (760, 38128), (1216, 23830), (1520, 19064), (2383, 12160), (2432, 11915), (3040, 9532), (4766, 6080)]