15993720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 38438280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 251, 270, 295, 354, 360, 472, 502, 531, 540, 590, 708, 753, 885, 1004, 1062, 1080, 1180, 1255, 1416, 1506, 1593, 1770, 2008, 2124, 2259, 2360, 2510, 2655, 3012, 3186, 3540, 3765, 4248, 4518, 5020, 5310, 6024, 6372, 6777, 7080, 7530, 7965, 9036, 10040, 10620, 11295, 12744, 13554, 14809, 15060, 15930, 18072, 21240, 22590, 27108, 29618, 30120, 31860, 33885, 44427, 45180, 54216, 59236, 63720, 67770, 74045, 88854, 90360, 118472, 133281, 135540, 148090, 177708, 222135, 266562, 271080, 296180, 355416, 399843, 444270, 533124, 592360, 666405, 799686, 888540, 1066248, 1332810, 1599372, 1777080, 1999215, 2665620, 3198744, 3998430, 5331240, 7996860, 15993720]

約数ペア:

[(1, 15993720), (2, 7996860), (3, 5331240), (4, 3998430), (5, 3198744), (6, 2665620), (8, 1999215), (9, 1777080), (10, 1599372), (12, 1332810), (15, 1066248), (18, 888540), (20, 799686), (24, 666405), (27, 592360), (30, 533124), (36, 444270), (40, 399843), (45, 355416), (54, 296180), (59, 271080), (60, 266562), (72, 222135), (90, 177708), (108, 148090), (118, 135540), (120, 133281), (135, 118472), (177, 90360), (180, 88854), (216, 74045), (236, 67770), (251, 63720), (270, 59236), (295, 54216), (354, 45180), (360, 44427), (472, 33885), (502, 31860), (531, 30120), (540, 29618), (590, 27108), (708, 22590), (753, 21240), (885, 18072), (1004, 15930), (1062, 15060), (1080, 14809), (1180, 13554), (1255, 12744), (1416, 11295), (1506, 10620), (1593, 10040), (1770, 9036), (2008, 7965), (2124, 7530), (2259, 7080), (2360, 6777), (2510, 6372), (2655, 6024), (3012, 5310), (3186, 5020), (3540, 4518), (3765, 4248)]