81459360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56569}}^1$

素因数の和:56590

約数の個数: 72

約数和(自身を含む): 277984980

約数和(自身を除く): 196525620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56569, 113138, 169707, 226276, 282845, 339414, 452552, 509121, 565690, 678828, 848535, 905104, 1018242, 1131380, 1357656, 1697070, 1810208, 2036484, 2262760, 2545605, 2715312, 3394140, 4072968, 4525520, 5091210, 5430624, 6788280, 8145936, 9051040, 10182420, 13576560, 16291872, 20364840, 27153120, 40729680, 81459360]

約数ペア:

[(1, 81459360), (2, 40729680), (3, 27153120), (4, 20364840), (5, 16291872), (6, 13576560), (8, 10182420), (9, 9051040), (10, 8145936), (12, 6788280), (15, 5430624), (16, 5091210), (18, 4525520), (20, 4072968), (24, 3394140), (30, 2715312), (32, 2545605), (36, 2262760), (40, 2036484), (45, 1810208), (48, 1697070), (60, 1357656), (72, 1131380), (80, 1018242), (90, 905104), (96, 848535), (120, 678828), (144, 565690), (160, 509121), (180, 452552), (240, 339414), (288, 282845), (360, 226276), (480, 169707), (720, 113138), (1440, 56569)]