72903240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{22501}}^1$

素因数の和:22524

約数の個数: 80

約数和(自身を含む): 245046780

約数和(自身を除く): 172143540

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, 22501, 45002, 67503, 90004, 112505, 135006, 180008, 202509, 225010, 270012, 337515, 405018, 450020, 540024, 607527, 675030, 810036, 900040, 1012545, 1215054, 1350060, 1620072, 1822581, 2025090, 2430108, 2700120, 3037635, 3645162, 4050180, 4860216, 6075270, 7290324, 8100360, 9112905, 12150540, 14580648, 18225810, 24301080, 36451620, 72903240]

約数ペア:

[(1, 72903240), (2, 36451620), (3, 24301080), (4, 18225810), (5, 14580648), (6, 12150540), (8, 9112905), (9, 8100360), (10, 7290324), (12, 6075270), (15, 4860216), (18, 4050180), (20, 3645162), (24, 3037635), (27, 2700120), (30, 2430108), (36, 2025090), (40, 1822581), (45, 1620072), (54, 1350060), (60, 1215054), (72, 1012545), (81, 900040), (90, 810036), (108, 675030), (120, 607527), (135, 540024), (162, 450020), (180, 405018), (216, 337515), (270, 270012), (324, 225010), (360, 202509), (405, 180008), (540, 135006), (648, 112505), (810, 90004), (1080, 67503), (1620, 45002), (3240, 22501)]