66347750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 146644992

約数和(自身を除く): 80297242

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 217, 250, 310, 350, 434, 775, 875, 1085, 1223, 1550, 1750, 2170, 2446, 3875, 5425, 6115, 7750, 8561, 10850, 12230, 17122, 27125, 30575, 37913, 42805, 54250, 61150, 75826, 85610, 152875, 189565, 214025, 265391, 305750, 379130, 428050, 530782, 947825, 1070125, 1326955, 1895650, 2140250, 2653910, 4739125, 6634775, 9478250, 13269550, 33173875, 66347750]

約数ペア:

[(1, 66347750), (2, 33173875), (5, 13269550), (7, 9478250), (10, 6634775), (14, 4739125), (25, 2653910), (31, 2140250), (35, 1895650), (50, 1326955), (62, 1070125), (70, 947825), (125, 530782), (155, 428050), (175, 379130), (217, 305750), (250, 265391), (310, 214025), (350, 189565), (434, 152875), (775, 85610), (875, 75826), (1085, 61150), (1223, 54250), (1550, 42805), (1750, 37913), (2170, 30575), (2446, 27125), (3875, 17122), (5425, 12230), (6115, 10850), (7750, 8561)]