21888260640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1688909}}^1$

素因数の和:1688936

約数の個数: 120

約数和(自身を含む): 77247365580

約数和(自身を除く): 55359104940

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 1688909, 3377818, 5066727, 6755636, 8444545, 10133454, 13511272, 15200181, 16889090, 20266908, 25333635, 27022544, 30400362, 33778180, 40533816, 45600543, 50667270, 54045088, 60800724, 67556360, 76000905, 81067632, 91201086, 101334540, 121601448, 135112720, 136801629, 152001810, 162135264, 182402172, 202669080, 228002715, 243202896, 270225440, 273603258, 304003620, 364804344, 405338160, 456005430, 486405792, 547206516, 608007240, 684008145, 729608688, 810676320, 912010860, 1094413032, 1216014480, 1368016290, 1459217376, 1824021720, 2188826064, 2432028960, 2736032580, 3648043440, 4377652128, 5472065160, 7296086880, 10944130320, 21888260640]

約数ペア:

[(1, 21888260640), (2, 10944130320), (3, 7296086880), (4, 5472065160), (5, 4377652128), (6, 3648043440), (8, 2736032580), (9, 2432028960), (10, 2188826064), (12, 1824021720), (15, 1459217376), (16, 1368016290), (18, 1216014480), (20, 1094413032), (24, 912010860), (27, 810676320), (30, 729608688), (32, 684008145), (36, 608007240), (40, 547206516), (45, 486405792), (48, 456005430), (54, 405338160), (60, 364804344), (72, 304003620), (80, 273603258), (81, 270225440), (90, 243202896), (96, 228002715), (108, 202669080), (120, 182402172), (135, 162135264), (144, 152001810), (160, 136801629), (162, 135112720), (180, 121601448), (216, 101334540), (240, 91201086), (270, 81067632), (288, 76000905), (324, 67556360), (360, 60800724), (405, 54045088), (432, 50667270), (480, 45600543), (540, 40533816), (648, 33778180), (720, 30400362), (810, 27022544), (864, 25333635), (1080, 20266908), (1296, 16889090), (1440, 15200181), (1620, 13511272), (2160, 10133454), (2592, 8444545), (3240, 6755636), (4320, 5066727), (6480, 3377818), (12960, 1688909)]