15639840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{10861}}^1$

素因数の和:10882

約数の個数: 72

約数和(自身を含む): 53375868

約数和(自身を除く): 37736028

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, 10861, 21722, 32583, 43444, 54305, 65166, 86888, 97749, 108610, 130332, 162915, 173776, 195498, 217220, 260664, 325830, 347552, 390996, 434440, 488745, 521328, 651660, 781992, 868880, 977490, 1042656, 1303320, 1563984, 1737760, 1954980, 2606640, 3127968, 3909960, 5213280, 7819920, 15639840]

約数ペア:

[(1, 15639840), (2, 7819920), (3, 5213280), (4, 3909960), (5, 3127968), (6, 2606640), (8, 1954980), (9, 1737760), (10, 1563984), (12, 1303320), (15, 1042656), (16, 977490), (18, 868880), (20, 781992), (24, 651660), (30, 521328), (32, 488745), (36, 434440), (40, 390996), (45, 347552), (48, 325830), (60, 260664), (72, 217220), (80, 195498), (90, 173776), (96, 162915), (120, 130332), (144, 108610), (160, 97749), (180, 86888), (240, 65166), (288, 54305), (360, 43444), (480, 32583), (720, 21722), (1440, 10861)]