320430400

素因数分解:

$2^6\times 5^2\times {\mathrm{271}}^1\times {\mathrm{739}}^1$

素因数の和:1032

約数の個数: 84

約数和(自身を含む): 792439360

約数和(自身を除く): 472008960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 271, 320, 400, 542, 739, 800, 1084, 1355, 1478, 1600, 2168, 2710, 2956, 3695, 4336, 5420, 5912, 6775, 7390, 8672, 10840, 11824, 13550, 14780, 17344, 18475, 21680, 23648, 27100, 29560, 36950, 43360, 47296, 54200, 59120, 73900, 86720, 108400, 118240, 147800, 200269, 216800, 236480, 295600, 400538, 433600, 591200, 801076, 1001345, 1182400, 1602152, 2002690, 3204304, 4005380, 5006725, 6408608, 8010760, 10013450, 12817216, 16021520, 20026900, 32043040, 40053800, 64086080, 80107600, 160215200, 320430400]

約数ペア:

[(1, 320430400), (2, 160215200), (4, 80107600), (5, 64086080), (8, 40053800), (10, 32043040), (16, 20026900), (20, 16021520), (25, 12817216), (32, 10013450), (40, 8010760), (50, 6408608), (64, 5006725), (80, 4005380), (100, 3204304), (160, 2002690), (200, 1602152), (271, 1182400), (320, 1001345), (400, 801076), (542, 591200), (739, 433600), (800, 400538), (1084, 295600), (1355, 236480), (1478, 216800), (1600, 200269), (2168, 147800), (2710, 118240), (2956, 108400), (3695, 86720), (4336, 73900), (5420, 59120), (5912, 54200), (6775, 47296), (7390, 43360), (8672, 36950), (10840, 29560), (11824, 27100), (13550, 23648), (14780, 21680), (17344, 18475)]