18477720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{1901}}^1$

素因数の和:1927

約数の個数: 96

約数和(自身を含む): 62309520

約数和(自身を除く): 43831800

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, 1901, 1944, 2430, 3240, 3802, 4860, 5703, 7604, 9505, 9720, 11406, 15208, 17109, 19010, 22812, 28515, 34218, 38020, 45624, 51327, 57030, 68436, 76040, 85545, 102654, 114060, 136872, 153981, 171090, 205308, 228120, 256635, 307962, 342180, 410616, 461943, 513270, 615924, 684360, 769905, 923886, 1026540, 1231848, 1539810, 1847772, 2053080, 2309715, 3079620, 3695544, 4619430, 6159240, 9238860, 18477720]

約数ペア:

[(1, 18477720), (2, 9238860), (3, 6159240), (4, 4619430), (5, 3695544), (6, 3079620), (8, 2309715), (9, 2053080), (10, 1847772), (12, 1539810), (15, 1231848), (18, 1026540), (20, 923886), (24, 769905), (27, 684360), (30, 615924), (36, 513270), (40, 461943), (45, 410616), (54, 342180), (60, 307962), (72, 256635), (81, 228120), (90, 205308), (108, 171090), (120, 153981), (135, 136872), (162, 114060), (180, 102654), (216, 85545), (243, 76040), (270, 68436), (324, 57030), (360, 51327), (405, 45624), (486, 38020), (540, 34218), (648, 28515), (810, 22812), (972, 19010), (1080, 17109), (1215, 15208), (1620, 11406), (1901, 9720), (1944, 9505), (2430, 7604), (3240, 5703), (3802, 4860)]