156401600

素因数分解:

$2^6\times 5^2\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 84

約数和(自身を含む): 387400800

約数和(自身を除く): 230999200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 239, 320, 400, 409, 478, 800, 818, 956, 1195, 1600, 1636, 1912, 2045, 2390, 3272, 3824, 4090, 4780, 5975, 6544, 7648, 8180, 9560, 10225, 11950, 13088, 15296, 16360, 19120, 20450, 23900, 26176, 32720, 38240, 40900, 47800, 65440, 76480, 81800, 95600, 97751, 130880, 163600, 191200, 195502, 327200, 382400, 391004, 488755, 654400, 782008, 977510, 1564016, 1955020, 2443775, 3128032, 3910040, 4887550, 6256064, 7820080, 9775100, 15640160, 19550200, 31280320, 39100400, 78200800, 156401600]

約数ペア:

[(1, 156401600), (2, 78200800), (4, 39100400), (5, 31280320), (8, 19550200), (10, 15640160), (16, 9775100), (20, 7820080), (25, 6256064), (32, 4887550), (40, 3910040), (50, 3128032), (64, 2443775), (80, 1955020), (100, 1564016), (160, 977510), (200, 782008), (239, 654400), (320, 488755), (400, 391004), (409, 382400), (478, 327200), (800, 195502), (818, 191200), (956, 163600), (1195, 130880), (1600, 97751), (1636, 95600), (1912, 81800), (2045, 76480), (2390, 65440), (3272, 47800), (3824, 40900), (4090, 38240), (4780, 32720), (5975, 26176), (6544, 23900), (7648, 20450), (8180, 19120), (9560, 16360), (10225, 15296), (11950, 13088)]