19955160

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2053}}^1$

素因数の和:2079

約数の個数: 96

約数和(自身を含む): 67289040

約数和(自身を除く): 47333880

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, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2053, 2430, 3240, 4106, 4860, 6159, 8212, 9720, 10265, 12318, 16424, 18477, 20530, 24636, 30795, 36954, 41060, 49272, 55431, 61590, 73908, 82120, 92385, 110862, 123180, 147816, 166293, 184770, 221724, 246360, 277155, 332586, 369540, 443448, 498879, 554310, 665172, 739080, 831465, 997758, 1108620, 1330344, 1662930, 1995516, 2217240, 2494395, 3325860, 3991032, 4988790, 6651720, 9977580, 19955160]

約数ペア:

[(1, 19955160), (2, 9977580), (3, 6651720), (4, 4988790), (5, 3991032), (6, 3325860), (8, 2494395), (9, 2217240), (10, 1995516), (12, 1662930), (15, 1330344), (18, 1108620), (20, 997758), (24, 831465), (27, 739080), (30, 665172), (36, 554310), (40, 498879), (45, 443448), (54, 369540), (60, 332586), (72, 277155), (81, 246360), (90, 221724), (108, 184770), (120, 166293), (135, 147816), (162, 123180), (180, 110862), (216, 92385), (243, 82120), (270, 73908), (324, 61590), (360, 55431), (405, 49272), (486, 41060), (540, 36954), (648, 30795), (810, 24636), (972, 20530), (1080, 18477), (1215, 16424), (1620, 12318), (1944, 10265), (2053, 9720), (2430, 8212), (3240, 6159), (4106, 4860)]