1686420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{347}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 5320224

約数和(自身を除く): 3633804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 347, 405, 486, 540, 694, 810, 972, 1041, 1215, 1388, 1620, 1735, 2082, 2430, 3123, 3470, 4164, 4860, 5205, 6246, 6940, 9369, 10410, 12492, 15615, 18738, 20820, 28107, 31230, 37476, 46845, 56214, 62460, 84321, 93690, 112428, 140535, 168642, 187380, 281070, 337284, 421605, 562140, 843210, 1686420]

約数ペア:

[(1, 1686420), (2, 843210), (3, 562140), (4, 421605), (5, 337284), (6, 281070), (9, 187380), (10, 168642), (12, 140535), (15, 112428), (18, 93690), (20, 84321), (27, 62460), (30, 56214), (36, 46845), (45, 37476), (54, 31230), (60, 28107), (81, 20820), (90, 18738), (108, 15615), (135, 12492), (162, 10410), (180, 9369), (243, 6940), (270, 6246), (324, 5205), (347, 4860), (405, 4164), (486, 3470), (540, 3123), (694, 2430), (810, 2082), (972, 1735), (1041, 1620), (1215, 1388)]