21889440

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{563}}^1$

素因数の和:593

約数の個数: 144

約数和(自身を含む): 77601888

約数和(自身を除く): 55712448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 563, 648, 720, 810, 864, 972, 1080, 1126, 1215, 1296, 1440, 1620, 1689, 1944, 2160, 2252, 2430, 2592, 2815, 3240, 3378, 3888, 4320, 4504, 4860, 5067, 5630, 6480, 6756, 7776, 8445, 9008, 9720, 10134, 11260, 12960, 13512, 15201, 16890, 18016, 19440, 20268, 22520, 25335, 27024, 30402, 33780, 38880, 40536, 45040, 45603, 50670, 54048, 60804, 67560, 76005, 81072, 90080, 91206, 101340, 121608, 135120, 136809, 152010, 162144, 182412, 202680, 228015, 243216, 270240, 273618, 304020, 364824, 405360, 456030, 486432, 547236, 608040, 684045, 729648, 810720, 912060, 1094472, 1216080, 1368090, 1459296, 1824120, 2188944, 2432160, 2736180, 3648240, 4377888, 5472360, 7296480, 10944720, 21889440]

約数ペア:

[(1, 21889440), (2, 10944720), (3, 7296480), (4, 5472360), (5, 4377888), (6, 3648240), (8, 2736180), (9, 2432160), (10, 2188944), (12, 1824120), (15, 1459296), (16, 1368090), (18, 1216080), (20, 1094472), (24, 912060), (27, 810720), (30, 729648), (32, 684045), (36, 608040), (40, 547236), (45, 486432), (48, 456030), (54, 405360), (60, 364824), (72, 304020), (80, 273618), (81, 270240), (90, 243216), (96, 228015), (108, 202680), (120, 182412), (135, 162144), (144, 152010), (160, 136809), (162, 135120), (180, 121608), (216, 101340), (240, 91206), (243, 90080), (270, 81072), (288, 76005), (324, 67560), (360, 60804), (405, 54048), (432, 50670), (480, 45603), (486, 45040), (540, 40536), (563, 38880), (648, 33780), (720, 30402), (810, 27024), (864, 25335), (972, 22520), (1080, 20268), (1126, 19440), (1215, 18016), (1296, 16890), (1440, 15201), (1620, 13512), (1689, 12960), (1944, 11260), (2160, 10134), (2252, 9720), (2430, 9008), (2592, 8445), (2815, 7776), (3240, 6756), (3378, 6480), (3888, 5630), (4320, 5067), (4504, 4860)]