208017720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{21401}}^1$

素因数の和:21427

約数の個数: 96

約数和(自身を含む): 701129520

約数和(自身を除く): 493111800

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, 2430, 3240, 4860, 9720, 21401, 42802, 64203, 85604, 107005, 128406, 171208, 192609, 214010, 256812, 321015, 385218, 428020, 513624, 577827, 642030, 770436, 856040, 963045, 1155654, 1284060, 1540872, 1733481, 1926090, 2311308, 2568120, 2889135, 3466962, 3852180, 4622616, 5200443, 5778270, 6933924, 7704360, 8667405, 10400886, 11556540, 13867848, 17334810, 20801772, 23113080, 26002215, 34669620, 41603544, 52004430, 69339240, 104008860, 208017720]

約数ペア:

[(1, 208017720), (2, 104008860), (3, 69339240), (4, 52004430), (5, 41603544), (6, 34669620), (8, 26002215), (9, 23113080), (10, 20801772), (12, 17334810), (15, 13867848), (18, 11556540), (20, 10400886), (24, 8667405), (27, 7704360), (30, 6933924), (36, 5778270), (40, 5200443), (45, 4622616), (54, 3852180), (60, 3466962), (72, 2889135), (81, 2568120), (90, 2311308), (108, 1926090), (120, 1733481), (135, 1540872), (162, 1284060), (180, 1155654), (216, 963045), (243, 856040), (270, 770436), (324, 642030), (360, 577827), (405, 513624), (486, 428020), (540, 385218), (648, 321015), (810, 256812), (972, 214010), (1080, 192609), (1215, 171208), (1620, 128406), (1944, 107005), (2430, 85604), (3240, 64203), (4860, 42802), (9720, 21401)]