137325640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2542

約数の個数: 64

約数和(自身を含む): 327836160

約数和(自身を除く): 190510520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 2440, 2447, 2806, 4894, 5612, 7015, 9788, 11224, 12235, 14030, 19576, 24470, 28060, 48940, 56120, 56281, 97880, 112562, 149267, 225124, 281405, 298534, 450248, 562810, 597068, 746335, 1125620, 1194136, 1492670, 2251240, 2985340, 3433141, 5970680, 6866282, 13732564, 17165705, 27465128, 34331410, 68662820, 137325640]

約数ペア:

[(1, 137325640), (2, 68662820), (4, 34331410), (5, 27465128), (8, 17165705), (10, 13732564), (20, 6866282), (23, 5970680), (40, 3433141), (46, 2985340), (61, 2251240), (92, 1492670), (115, 1194136), (122, 1125620), (184, 746335), (230, 597068), (244, 562810), (305, 450248), (460, 298534), (488, 281405), (610, 225124), (920, 149267), (1220, 112562), (1403, 97880), (2440, 56281), (2447, 56120), (2806, 48940), (4894, 28060), (5612, 24470), (7015, 19576), (9788, 14030), (11224, 12235)]