178852140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43201}}^1$

素因数の和:43239

約数の個数: 72

約数和(自身を含む): 566119008

約数和(自身を除く): 387266868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 43201, 86402, 129603, 172804, 216005, 259206, 388809, 432010, 518412, 648015, 777618, 864020, 993623, 1296030, 1555236, 1944045, 1987246, 2592060, 2980869, 3888090, 3974492, 4968115, 5961738, 7776180, 8942607, 9936230, 11923476, 14904345, 17885214, 19872460, 29808690, 35770428, 44713035, 59617380, 89426070, 178852140]

約数ペア:

[(1, 178852140), (2, 89426070), (3, 59617380), (4, 44713035), (5, 35770428), (6, 29808690), (9, 19872460), (10, 17885214), (12, 14904345), (15, 11923476), (18, 9936230), (20, 8942607), (23, 7776180), (30, 5961738), (36, 4968115), (45, 3974492), (46, 3888090), (60, 2980869), (69, 2592060), (90, 1987246), (92, 1944045), (115, 1555236), (138, 1296030), (180, 993623), (207, 864020), (230, 777618), (276, 648015), (345, 518412), (414, 432010), (460, 388809), (690, 259206), (828, 216005), (1035, 172804), (1380, 129603), (2070, 86402), (4140, 43201)]