261235008

素因数分解:

$2^6\times 3^2\times {\mathrm{59}}^1\times {\mathrm{7687}}^1$

素因数の和:7764

約数の個数: 84

約数和(自身を含む): 761573280

約数和(自身を除く): 500338272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 144, 177, 192, 236, 288, 354, 472, 531, 576, 708, 944, 1062, 1416, 1888, 2124, 2832, 3776, 4248, 5664, 7687, 8496, 11328, 15374, 16992, 23061, 30748, 33984, 46122, 61496, 69183, 92244, 122992, 138366, 184488, 245984, 276732, 368976, 453533, 491968, 553464, 737952, 907066, 1106928, 1360599, 1475904, 1814132, 2213856, 2721198, 3628264, 4081797, 4427712, 5442396, 7256528, 8163594, 10884792, 14513056, 16327188, 21769584, 29026112, 32654376, 43539168, 65308752, 87078336, 130617504, 261235008]

約数ペア:

[(1, 261235008), (2, 130617504), (3, 87078336), (4, 65308752), (6, 43539168), (8, 32654376), (9, 29026112), (12, 21769584), (16, 16327188), (18, 14513056), (24, 10884792), (32, 8163594), (36, 7256528), (48, 5442396), (59, 4427712), (64, 4081797), (72, 3628264), (96, 2721198), (118, 2213856), (144, 1814132), (177, 1475904), (192, 1360599), (236, 1106928), (288, 907066), (354, 737952), (472, 553464), (531, 491968), (576, 453533), (708, 368976), (944, 276732), (1062, 245984), (1416, 184488), (1888, 138366), (2124, 122992), (2832, 92244), (3776, 69183), (4248, 61496), (5664, 46122), (7687, 33984), (8496, 30748), (11328, 23061), (15374, 16992)]