1440781640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{13859}}^1$

素因数の和:14006

約数の個数: 64

約数和(自身を含む): 3412886400

約数和(自身を除く): 1972104760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 226, 230, 452, 460, 565, 904, 920, 1130, 2260, 2599, 4520, 5198, 10396, 12995, 13859, 20792, 25990, 27718, 51980, 55436, 69295, 103960, 110872, 138590, 277180, 318757, 554360, 637514, 1275028, 1566067, 1593785, 2550056, 3132134, 3187570, 6264268, 6375140, 7830335, 12528536, 12750280, 15660670, 31321340, 36019541, 62642680, 72039082, 144078164, 180097705, 288156328, 360195410, 720390820, 1440781640]

約数ペア:

[(1, 1440781640), (2, 720390820), (4, 360195410), (5, 288156328), (8, 180097705), (10, 144078164), (20, 72039082), (23, 62642680), (40, 36019541), (46, 31321340), (92, 15660670), (113, 12750280), (115, 12528536), (184, 7830335), (226, 6375140), (230, 6264268), (452, 3187570), (460, 3132134), (565, 2550056), (904, 1593785), (920, 1566067), (1130, 1275028), (2260, 637514), (2599, 554360), (4520, 318757), (5198, 277180), (10396, 138590), (12995, 110872), (13859, 103960), (20792, 69295), (25990, 55436), (27718, 51980)]