71243880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 155193240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 83, 92, 115, 120, 138, 166, 184, 230, 249, 276, 311, 332, 345, 415, 460, 498, 552, 622, 664, 690, 830, 920, 933, 996, 1244, 1245, 1380, 1555, 1660, 1866, 1909, 1992, 2488, 2490, 2760, 3110, 3320, 3732, 3818, 4665, 4980, 5727, 6220, 7153, 7464, 7636, 9330, 9545, 9960, 11454, 12440, 14306, 15272, 18660, 19090, 21459, 22908, 25813, 28612, 28635, 35765, 37320, 38180, 42918, 45816, 51626, 57224, 57270, 71530, 76360, 77439, 85836, 103252, 107295, 114540, 129065, 143060, 154878, 171672, 206504, 214590, 229080, 258130, 286120, 309756, 387195, 429180, 516260, 593699, 619512, 774390, 858360, 1032520, 1187398, 1548780, 1781097, 2374796, 2968495, 3097560, 3562194, 4749592, 5936990, 7124388, 8905485, 11873980, 14248776, 17810970, 23747960, 35621940, 71243880]

約数ペア:

[(1, 71243880), (2, 35621940), (3, 23747960), (4, 17810970), (5, 14248776), (6, 11873980), (8, 8905485), (10, 7124388), (12, 5936990), (15, 4749592), (20, 3562194), (23, 3097560), (24, 2968495), (30, 2374796), (40, 1781097), (46, 1548780), (60, 1187398), (69, 1032520), (83, 858360), (92, 774390), (115, 619512), (120, 593699), (138, 516260), (166, 429180), (184, 387195), (230, 309756), (249, 286120), (276, 258130), (311, 229080), (332, 214590), (345, 206504), (415, 171672), (460, 154878), (498, 143060), (552, 129065), (622, 114540), (664, 107295), (690, 103252), (830, 85836), (920, 77439), (933, 76360), (996, 71530), (1244, 57270), (1245, 57224), (1380, 51626), (1555, 45816), (1660, 42918), (1866, 38180), (1909, 37320), (1992, 35765), (2488, 28635), (2490, 28612), (2760, 25813), (3110, 22908), (3320, 21459), (3732, 19090), (3818, 18660), (4665, 15272), (4980, 14306), (5727, 12440), (6220, 11454), (7153, 9960), (7464, 9545), (7636, 9330)]