51201720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{15803}}^1$

素因数の和:15826

約数の個数: 80

約数和(自身を含む): 172105560

約数和(自身を除く): 120903840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 15803, 31606, 47409, 63212, 79015, 94818, 126424, 142227, 158030, 189636, 237045, 284454, 316060, 379272, 426681, 474090, 568908, 632120, 711135, 853362, 948180, 1137816, 1280043, 1422270, 1706724, 1896360, 2133405, 2560086, 2844540, 3413448, 4266810, 5120172, 5689080, 6400215, 8533620, 10240344, 12800430, 17067240, 25600860, 51201720]

約数ペア:

[(1, 51201720), (2, 25600860), (3, 17067240), (4, 12800430), (5, 10240344), (6, 8533620), (8, 6400215), (9, 5689080), (10, 5120172), (12, 4266810), (15, 3413448), (18, 2844540), (20, 2560086), (24, 2133405), (27, 1896360), (30, 1706724), (36, 1422270), (40, 1280043), (45, 1137816), (54, 948180), (60, 853362), (72, 711135), (81, 632120), (90, 568908), (108, 474090), (120, 426681), (135, 379272), (162, 316060), (180, 284454), (216, 237045), (270, 189636), (324, 158030), (360, 142227), (405, 126424), (540, 94818), (648, 79015), (810, 63212), (1080, 47409), (1620, 31606), (3240, 15803)]