16987680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 42452064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 235, 240, 251, 282, 288, 360, 376, 423, 470, 480, 502, 564, 705, 720, 752, 753, 846, 940, 1004, 1128, 1255, 1410, 1440, 1504, 1506, 1692, 1880, 2008, 2115, 2256, 2259, 2510, 2820, 3012, 3384, 3760, 3765, 4016, 4230, 4512, 4518, 5020, 5640, 6024, 6768, 7520, 7530, 8032, 8460, 9036, 10040, 11280, 11295, 11797, 12048, 13536, 15060, 16920, 18072, 20080, 22560, 22590, 23594, 24096, 30120, 33840, 35391, 36144, 40160, 45180, 47188, 58985, 60240, 67680, 70782, 72288, 90360, 94376, 106173, 117970, 120480, 141564, 176955, 180720, 188752, 212346, 235940, 283128, 353910, 361440, 377504, 424692, 471880, 530865, 566256, 707820, 849384, 943760, 1061730, 1132512, 1415640, 1698768, 1887520, 2123460, 2831280, 3397536, 4246920, 5662560, 8493840, 16987680]

約数ペア:

[(1, 16987680), (2, 8493840), (3, 5662560), (4, 4246920), (5, 3397536), (6, 2831280), (8, 2123460), (9, 1887520), (10, 1698768), (12, 1415640), (15, 1132512), (16, 1061730), (18, 943760), (20, 849384), (24, 707820), (30, 566256), (32, 530865), (36, 471880), (40, 424692), (45, 377504), (47, 361440), (48, 353910), (60, 283128), (72, 235940), (80, 212346), (90, 188752), (94, 180720), (96, 176955), (120, 141564), (141, 120480), (144, 117970), (160, 106173), (180, 94376), (188, 90360), (235, 72288), (240, 70782), (251, 67680), (282, 60240), (288, 58985), (360, 47188), (376, 45180), (423, 40160), (470, 36144), (480, 35391), (502, 33840), (564, 30120), (705, 24096), (720, 23594), (752, 22590), (753, 22560), (846, 20080), (940, 18072), (1004, 16920), (1128, 15060), (1255, 13536), (1410, 12048), (1440, 11797), (1504, 11295), (1506, 11280), (1692, 10040), (1880, 9036), (2008, 8460), (2115, 8032), (2256, 7530), (2259, 7520), (2510, 6768), (2820, 6024), (3012, 5640), (3384, 5020), (3760, 4518), (3765, 4512), (4016, 4230)]