84903720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 280558080

約数和(自身を除く): 195654360

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, 131, 132, 165, 220, 262, 264, 330, 393, 440, 491, 524, 655, 660, 786, 982, 1048, 1310, 1320, 1441, 1473, 1572, 1964, 1965, 2455, 2620, 2882, 2946, 3144, 3928, 3930, 4323, 4910, 5240, 5401, 5764, 5892, 7205, 7365, 7860, 8646, 9820, 10802, 11528, 11784, 14410, 14730, 15720, 16203, 17292, 19640, 21604, 21615, 27005, 28820, 29460, 32406, 34584, 43208, 43230, 54010, 57640, 58920, 64321, 64812, 81015, 86460, 108020, 128642, 129624, 162030, 172920, 192963, 216040, 257284, 321605, 324060, 385926, 514568, 643210, 648120, 707531, 771852, 964815, 1286420, 1415062, 1543704, 1929630, 2122593, 2572840, 2830124, 3537655, 3859260, 4245186, 5660248, 7075310, 7718520, 8490372, 10612965, 14150620, 16980744, 21225930, 28301240, 42451860, 84903720]

約数ペア:

[(1, 84903720), (2, 42451860), (3, 28301240), (4, 21225930), (5, 16980744), (6, 14150620), (8, 10612965), (10, 8490372), (11, 7718520), (12, 7075310), (15, 5660248), (20, 4245186), (22, 3859260), (24, 3537655), (30, 2830124), (33, 2572840), (40, 2122593), (44, 1929630), (55, 1543704), (60, 1415062), (66, 1286420), (88, 964815), (110, 771852), (120, 707531), (131, 648120), (132, 643210), (165, 514568), (220, 385926), (262, 324060), (264, 321605), (330, 257284), (393, 216040), (440, 192963), (491, 172920), (524, 162030), (655, 129624), (660, 128642), (786, 108020), (982, 86460), (1048, 81015), (1310, 64812), (1320, 64321), (1441, 58920), (1473, 57640), (1572, 54010), (1964, 43230), (1965, 43208), (2455, 34584), (2620, 32406), (2882, 29460), (2946, 28820), (3144, 27005), (3928, 21615), (3930, 21604), (4323, 19640), (4910, 17292), (5240, 16203), (5401, 15720), (5764, 14730), (5892, 14410), (7205, 11784), (7365, 11528), (7860, 10802), (8646, 9820)]