31987440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:332

約数の個数: 160

約数和(自身を含む): 112492800

約数和(自身を除く): 80505360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 59, 60, 72, 80, 90, 108, 118, 120, 135, 144, 177, 180, 216, 236, 240, 251, 270, 295, 354, 360, 432, 472, 502, 531, 540, 590, 708, 720, 753, 885, 944, 1004, 1062, 1080, 1180, 1255, 1416, 1506, 1593, 1770, 2008, 2124, 2160, 2259, 2360, 2510, 2655, 2832, 3012, 3186, 3540, 3765, 4016, 4248, 4518, 4720, 5020, 5310, 6024, 6372, 6777, 7080, 7530, 7965, 8496, 9036, 10040, 10620, 11295, 12048, 12744, 13554, 14160, 14809, 15060, 15930, 18072, 20080, 21240, 22590, 25488, 27108, 29618, 30120, 31860, 33885, 36144, 42480, 44427, 45180, 54216, 59236, 60240, 63720, 67770, 74045, 88854, 90360, 108432, 118472, 127440, 133281, 135540, 148090, 177708, 180720, 222135, 236944, 266562, 271080, 296180, 355416, 399843, 444270, 533124, 542160, 592360, 666405, 710832, 799686, 888540, 1066248, 1184720, 1332810, 1599372, 1777080, 1999215, 2132496, 2665620, 3198744, 3554160, 3998430, 5331240, 6397488, 7996860, 10662480, 15993720, 31987440]

約数ペア:

[(1, 31987440), (2, 15993720), (3, 10662480), (4, 7996860), (5, 6397488), (6, 5331240), (8, 3998430), (9, 3554160), (10, 3198744), (12, 2665620), (15, 2132496), (16, 1999215), (18, 1777080), (20, 1599372), (24, 1332810), (27, 1184720), (30, 1066248), (36, 888540), (40, 799686), (45, 710832), (48, 666405), (54, 592360), (59, 542160), (60, 533124), (72, 444270), (80, 399843), (90, 355416), (108, 296180), (118, 271080), (120, 266562), (135, 236944), (144, 222135), (177, 180720), (180, 177708), (216, 148090), (236, 135540), (240, 133281), (251, 127440), (270, 118472), (295, 108432), (354, 90360), (360, 88854), (432, 74045), (472, 67770), (502, 63720), (531, 60240), (540, 59236), (590, 54216), (708, 45180), (720, 44427), (753, 42480), (885, 36144), (944, 33885), (1004, 31860), (1062, 30120), (1080, 29618), (1180, 27108), (1255, 25488), (1416, 22590), (1506, 21240), (1593, 20080), (1770, 18072), (2008, 15930), (2124, 15060), (2160, 14809), (2259, 14160), (2360, 13554), (2510, 12744), (2655, 12048), (2832, 11295), (3012, 10620), (3186, 10040), (3540, 9036), (3765, 8496), (4016, 7965), (4248, 7530), (4518, 7080), (4720, 6777), (5020, 6372), (5310, 6024)]