64921560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 214617600

約数和(自身を除く): 149696040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 137, 165, 220, 264, 274, 330, 359, 411, 440, 548, 660, 685, 718, 822, 1077, 1096, 1320, 1370, 1436, 1507, 1644, 1795, 2055, 2154, 2740, 2872, 3014, 3288, 3590, 3949, 4110, 4308, 4521, 5385, 5480, 6028, 7180, 7535, 7898, 8220, 8616, 9042, 10770, 11847, 12056, 14360, 15070, 15796, 16440, 18084, 19745, 21540, 22605, 23694, 30140, 31592, 36168, 39490, 43080, 45210, 47388, 49183, 59235, 60280, 78980, 90420, 94776, 98366, 118470, 147549, 157960, 180840, 196732, 236940, 245915, 295098, 393464, 473880, 491830, 541013, 590196, 737745, 983660, 1082026, 1180392, 1475490, 1623039, 1967320, 2164052, 2705065, 2950980, 3246078, 4328104, 5410130, 5901960, 6492156, 8115195, 10820260, 12984312, 16230390, 21640520, 32460780, 64921560]

約数ペア:

[(1, 64921560), (2, 32460780), (3, 21640520), (4, 16230390), (5, 12984312), (6, 10820260), (8, 8115195), (10, 6492156), (11, 5901960), (12, 5410130), (15, 4328104), (20, 3246078), (22, 2950980), (24, 2705065), (30, 2164052), (33, 1967320), (40, 1623039), (44, 1475490), (55, 1180392), (60, 1082026), (66, 983660), (88, 737745), (110, 590196), (120, 541013), (132, 491830), (137, 473880), (165, 393464), (220, 295098), (264, 245915), (274, 236940), (330, 196732), (359, 180840), (411, 157960), (440, 147549), (548, 118470), (660, 98366), (685, 94776), (718, 90420), (822, 78980), (1077, 60280), (1096, 59235), (1320, 49183), (1370, 47388), (1436, 45210), (1507, 43080), (1644, 39490), (1795, 36168), (2055, 31592), (2154, 30140), (2740, 23694), (2872, 22605), (3014, 21540), (3288, 19745), (3590, 18084), (3949, 16440), (4110, 15796), (4308, 15070), (4521, 14360), (5385, 12056), (5480, 11847), (6028, 10770), (7180, 9042), (7535, 8616), (7898, 8220)]