81472800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 144

約数和(自身を含む): 269045280

約数和(自身を除く): 187572480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 83, 96, 100, 120, 150, 160, 166, 200, 240, 249, 300, 332, 400, 409, 415, 480, 498, 600, 664, 800, 818, 830, 996, 1200, 1227, 1245, 1328, 1636, 1660, 1992, 2045, 2075, 2400, 2454, 2490, 2656, 3272, 3320, 3984, 4090, 4150, 4908, 4980, 6135, 6225, 6544, 6640, 7968, 8180, 8300, 9816, 9960, 10225, 12270, 12450, 13088, 13280, 16360, 16600, 19632, 19920, 20450, 24540, 24900, 30675, 32720, 33200, 33947, 39264, 39840, 40900, 49080, 49800, 61350, 65440, 66400, 67894, 81800, 98160, 99600, 101841, 122700, 135788, 163600, 169735, 196320, 199200, 203682, 245400, 271576, 327200, 339470, 407364, 490800, 509205, 543152, 678940, 814728, 848675, 981600, 1018410, 1086304, 1357880, 1629456, 1697350, 2036820, 2546025, 2715760, 3258912, 3394700, 4073640, 5092050, 5431520, 6789400, 8147280, 10184100, 13578800, 16294560, 20368200, 27157600, 40736400, 81472800]

約数ペア:

[(1, 81472800), (2, 40736400), (3, 27157600), (4, 20368200), (5, 16294560), (6, 13578800), (8, 10184100), (10, 8147280), (12, 6789400), (15, 5431520), (16, 5092050), (20, 4073640), (24, 3394700), (25, 3258912), (30, 2715760), (32, 2546025), (40, 2036820), (48, 1697350), (50, 1629456), (60, 1357880), (75, 1086304), (80, 1018410), (83, 981600), (96, 848675), (100, 814728), (120, 678940), (150, 543152), (160, 509205), (166, 490800), (200, 407364), (240, 339470), (249, 327200), (300, 271576), (332, 245400), (400, 203682), (409, 199200), (415, 196320), (480, 169735), (498, 163600), (600, 135788), (664, 122700), (800, 101841), (818, 99600), (830, 98160), (996, 81800), (1200, 67894), (1227, 66400), (1245, 65440), (1328, 61350), (1636, 49800), (1660, 49080), (1992, 40900), (2045, 39840), (2075, 39264), (2400, 33947), (2454, 33200), (2490, 32720), (2656, 30675), (3272, 24900), (3320, 24540), (3984, 20450), (4090, 19920), (4150, 19632), (4908, 16600), (4980, 16360), (6135, 13280), (6225, 13088), (6544, 12450), (6640, 12270), (7968, 10225), (8180, 9960), (8300, 9816)]