217549920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{64747}}^1$

素因数の和:64772

約数の個数: 96

約数和(自身を含む): 783191808

約数和(自身を除く): 565641888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 64747, 129494, 194241, 258988, 323735, 388482, 453229, 517976, 647470, 776964, 906458, 971205, 1035952, 1294940, 1359687, 1553928, 1812916, 1942410, 2071904, 2266145, 2589880, 2719374, 3107856, 3625832, 3884820, 4532290, 5179760, 5438748, 6215712, 6798435, 7251664, 7769640, 9064580, 10359520, 10877496, 13596870, 14503328, 15539280, 18129160, 21754992, 27193740, 31078560, 36258320, 43509984, 54387480, 72516640, 108774960, 217549920]

約数ペア:

[(1, 217549920), (2, 108774960), (3, 72516640), (4, 54387480), (5, 43509984), (6, 36258320), (7, 31078560), (8, 27193740), (10, 21754992), (12, 18129160), (14, 15539280), (15, 14503328), (16, 13596870), (20, 10877496), (21, 10359520), (24, 9064580), (28, 7769640), (30, 7251664), (32, 6798435), (35, 6215712), (40, 5438748), (42, 5179760), (48, 4532290), (56, 3884820), (60, 3625832), (70, 3107856), (80, 2719374), (84, 2589880), (96, 2266145), (105, 2071904), (112, 1942410), (120, 1812916), (140, 1553928), (160, 1359687), (168, 1294940), (210, 1035952), (224, 971205), (240, 906458), (280, 776964), (336, 647470), (420, 517976), (480, 453229), (560, 388482), (672, 323735), (840, 258988), (1120, 194241), (1680, 129494), (3360, 64747)]