20728714320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9596627}}^1$

素因数の和:9596649

約数の個数: 80

約数和(自身を含む): 71398912320

約数和(自身を除く): 50670198000

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, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9596627, 19193254, 28789881, 38386508, 47983135, 57579762, 76773016, 86369643, 95966270, 115159524, 143949405, 153546032, 172739286, 191932540, 230319048, 259108929, 287898810, 345478572, 383865080, 431848215, 460638096, 518217858, 575797620, 690957144, 767730160, 863696430, 1036435716, 1151595240, 1295544645, 1381914288, 1727392860, 2072871432, 2303190480, 2591089290, 3454785720, 4145742864, 5182178580, 6909571440, 10364357160, 20728714320]

約数ペア:

[(1, 20728714320), (2, 10364357160), (3, 6909571440), (4, 5182178580), (5, 4145742864), (6, 3454785720), (8, 2591089290), (9, 2303190480), (10, 2072871432), (12, 1727392860), (15, 1381914288), (16, 1295544645), (18, 1151595240), (20, 1036435716), (24, 863696430), (27, 767730160), (30, 690957144), (36, 575797620), (40, 518217858), (45, 460638096), (48, 431848215), (54, 383865080), (60, 345478572), (72, 287898810), (80, 259108929), (90, 230319048), (108, 191932540), (120, 172739286), (135, 153546032), (144, 143949405), (180, 115159524), (216, 95966270), (240, 86369643), (270, 76773016), (360, 57579762), (432, 47983135), (540, 38386508), (720, 28789881), (1080, 19193254), (2160, 9596627)]