81044272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 176060160

約数和(自身を除く): 95015888

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 67, 76, 92, 134, 152, 173, 184, 268, 304, 346, 368, 437, 536, 692, 874, 1072, 1273, 1384, 1541, 1748, 2546, 2768, 3082, 3287, 3496, 3979, 5092, 6164, 6574, 6992, 7958, 10184, 11591, 12328, 13148, 15916, 20368, 23182, 24656, 26296, 29279, 31832, 46364, 52592, 58558, 63664, 75601, 92728, 117116, 151202, 185456, 220229, 234232, 266593, 302404, 440458, 468464, 533186, 604808, 880916, 1066372, 1209616, 1761832, 2132744, 3523664, 4265488, 5065267, 10130534, 20261068, 40522136, 81044272]

約数ペア:

[(1, 81044272), (2, 40522136), (4, 20261068), (8, 10130534), (16, 5065267), (19, 4265488), (23, 3523664), (38, 2132744), (46, 1761832), (67, 1209616), (76, 1066372), (92, 880916), (134, 604808), (152, 533186), (173, 468464), (184, 440458), (268, 302404), (304, 266593), (346, 234232), (368, 220229), (437, 185456), (536, 151202), (692, 117116), (874, 92728), (1072, 75601), (1273, 63664), (1384, 58558), (1541, 52592), (1748, 46364), (2546, 31832), (2768, 29279), (3082, 26296), (3287, 24656), (3496, 23182), (3979, 20368), (5092, 15916), (6164, 13148), (6574, 12328), (6992, 11591), (7958, 10184)]