28815840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{20011}}^1$

素因数の和:20032

約数の個数: 72

約数和(自身を含む): 98338968

約数和(自身を除く): 69523128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 20011, 40022, 60033, 80044, 100055, 120066, 160088, 180099, 200110, 240132, 300165, 320176, 360198, 400220, 480264, 600330, 640352, 720396, 800440, 900495, 960528, 1200660, 1440792, 1600880, 1800990, 1921056, 2401320, 2881584, 3201760, 3601980, 4802640, 5763168, 7203960, 9605280, 14407920, 28815840]

約数ペア:

[(1, 28815840), (2, 14407920), (3, 9605280), (4, 7203960), (5, 5763168), (6, 4802640), (8, 3601980), (9, 3201760), (10, 2881584), (12, 2401320), (15, 1921056), (16, 1800990), (18, 1600880), (20, 1440792), (24, 1200660), (30, 960528), (32, 900495), (36, 800440), (40, 720396), (45, 640352), (48, 600330), (60, 480264), (72, 400220), (80, 360198), (90, 320176), (96, 300165), (120, 240132), (144, 200110), (160, 180099), (180, 160088), (240, 120066), (288, 100055), (360, 80044), (480, 60033), (720, 40022), (1440, 20011)]