157795840

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1239

約数の個数: 80

約数和(自身を含む): 385810128

約数和(自身を除く): 228014288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1060, 1163, 1280, 1696, 2120, 2326, 2560, 3392, 4240, 4652, 5815, 6784, 8480, 9304, 11630, 13568, 16960, 18608, 23260, 27136, 33920, 37216, 46520, 61639, 67840, 74432, 93040, 123278, 135680, 148864, 186080, 246556, 297728, 308195, 372160, 493112, 595456, 616390, 744320, 986224, 1232780, 1488640, 1972448, 2465560, 2977280, 3944896, 4931120, 7889792, 9862240, 15779584, 19724480, 31559168, 39448960, 78897920, 157795840]

約数ペア:

[(1, 157795840), (2, 78897920), (4, 39448960), (5, 31559168), (8, 19724480), (10, 15779584), (16, 9862240), (20, 7889792), (32, 4931120), (40, 3944896), (53, 2977280), (64, 2465560), (80, 1972448), (106, 1488640), (128, 1232780), (160, 986224), (212, 744320), (256, 616390), (265, 595456), (320, 493112), (424, 372160), (512, 308195), (530, 297728), (640, 246556), (848, 186080), (1060, 148864), (1163, 135680), (1280, 123278), (1696, 93040), (2120, 74432), (2326, 67840), (2560, 61639), (3392, 46520), (4240, 37216), (4652, 33920), (5815, 27136), (6784, 23260), (8480, 18608), (9304, 16960), (11630, 13568)]