80640360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{24889}}^1$

素因数の和:24912

約数の個数: 80

約数和(自身を含む): 271052100

約数和(自身を除く): 190411740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 24889, 49778, 74667, 99556, 124445, 149334, 199112, 224001, 248890, 298668, 373335, 448002, 497780, 597336, 672003, 746670, 896004, 995560, 1120005, 1344006, 1493340, 1792008, 2016009, 2240010, 2688012, 2986680, 3360015, 4032018, 4480020, 5376024, 6720030, 8064036, 8960040, 10080045, 13440060, 16128072, 20160090, 26880120, 40320180, 80640360]

約数ペア:

[(1, 80640360), (2, 40320180), (3, 26880120), (4, 20160090), (5, 16128072), (6, 13440060), (8, 10080045), (9, 8960040), (10, 8064036), (12, 6720030), (15, 5376024), (18, 4480020), (20, 4032018), (24, 3360015), (27, 2986680), (30, 2688012), (36, 2240010), (40, 2016009), (45, 1792008), (54, 1493340), (60, 1344006), (72, 1120005), (81, 995560), (90, 896004), (108, 746670), (120, 672003), (135, 597336), (162, 497780), (180, 448002), (216, 373335), (270, 298668), (324, 248890), (360, 224001), (405, 199112), (540, 149334), (648, 124445), (810, 99556), (1080, 74667), (1620, 49778), (3240, 24889)]