205590720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:998

約数の個数: 112

約数和(自身を含む): 655734528

約数和(自身を除く): 450143808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 331, 480, 647, 662, 960, 993, 1294, 1324, 1655, 1941, 1986, 2588, 2648, 3235, 3310, 3882, 3972, 4965, 5176, 5296, 6470, 6620, 7764, 7944, 9705, 9930, 10352, 10592, 12940, 13240, 15528, 15888, 19410, 19860, 20704, 21184, 25880, 26480, 31056, 31776, 38820, 39720, 41408, 51760, 52960, 62112, 63552, 77640, 79440, 103520, 105920, 124224, 155280, 158880, 207040, 214157, 310560, 317760, 428314, 621120, 642471, 856628, 1070785, 1284942, 1713256, 2141570, 2569884, 3212355, 3426512, 4283140, 5139768, 6424710, 6853024, 8566280, 10279536, 12849420, 13706048, 17132560, 20559072, 25698840, 34265120, 41118144, 51397680, 68530240, 102795360, 205590720]

約数ペア:

[(1, 205590720), (2, 102795360), (3, 68530240), (4, 51397680), (5, 41118144), (6, 34265120), (8, 25698840), (10, 20559072), (12, 17132560), (15, 13706048), (16, 12849420), (20, 10279536), (24, 8566280), (30, 6853024), (32, 6424710), (40, 5139768), (48, 4283140), (60, 3426512), (64, 3212355), (80, 2569884), (96, 2141570), (120, 1713256), (160, 1284942), (192, 1070785), (240, 856628), (320, 642471), (331, 621120), (480, 428314), (647, 317760), (662, 310560), (960, 214157), (993, 207040), (1294, 158880), (1324, 155280), (1655, 124224), (1941, 105920), (1986, 103520), (2588, 79440), (2648, 77640), (3235, 63552), (3310, 62112), (3882, 52960), (3972, 51760), (4965, 41408), (5176, 39720), (5296, 38820), (6470, 31776), (6620, 31056), (7764, 26480), (7944, 25880), (9705, 21184), (9930, 20704), (10352, 19860), (10592, 19410), (12940, 15888), (13240, 15528)]