256162140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109471}}^1$

素因数の和:109499

約数の個数: 72

約数和(自身を含む): 836803968

約数和(自身を除く): 580641828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 109471, 218942, 328413, 437884, 547355, 656826, 985239, 1094710, 1313652, 1423123, 1642065, 1970478, 2189420, 2846246, 3284130, 3940956, 4269369, 4926195, 5692492, 6568260, 7115615, 8538738, 9852390, 12808107, 14231230, 17077476, 19704780, 21346845, 25616214, 28462460, 42693690, 51232428, 64040535, 85387380, 128081070, 256162140]

約数ペア:

[(1, 256162140), (2, 128081070), (3, 85387380), (4, 64040535), (5, 51232428), (6, 42693690), (9, 28462460), (10, 25616214), (12, 21346845), (13, 19704780), (15, 17077476), (18, 14231230), (20, 12808107), (26, 9852390), (30, 8538738), (36, 7115615), (39, 6568260), (45, 5692492), (52, 4926195), (60, 4269369), (65, 3940956), (78, 3284130), (90, 2846246), (117, 2189420), (130, 1970478), (156, 1642065), (180, 1423123), (195, 1313652), (234, 1094710), (260, 985239), (390, 656826), (468, 547355), (585, 437884), (780, 328413), (1170, 218942), (2340, 109471)]