81003960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7759}}^1$

素因数の和:7805

約数の個数: 96

約数和(自身を含む): 272376000

約数和(自身を除く): 191372040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 2088, 2610, 3480, 5220, 7759, 10440, 15518, 23277, 31036, 38795, 46554, 62072, 69831, 77590, 93108, 116385, 139662, 155180, 186216, 225011, 232770, 279324, 310360, 349155, 450022, 465540, 558648, 675033, 698310, 900044, 931080, 1125055, 1350066, 1396620, 1800088, 2025099, 2250110, 2700132, 2793240, 3375165, 4050198, 4500220, 5400264, 6750330, 8100396, 9000440, 10125495, 13500660, 16200792, 20250990, 27001320, 40501980, 81003960]

約数ペア:

[(1, 81003960), (2, 40501980), (3, 27001320), (4, 20250990), (5, 16200792), (6, 13500660), (8, 10125495), (9, 9000440), (10, 8100396), (12, 6750330), (15, 5400264), (18, 4500220), (20, 4050198), (24, 3375165), (29, 2793240), (30, 2700132), (36, 2250110), (40, 2025099), (45, 1800088), (58, 1396620), (60, 1350066), (72, 1125055), (87, 931080), (90, 900044), (116, 698310), (120, 675033), (145, 558648), (174, 465540), (180, 450022), (232, 349155), (261, 310360), (290, 279324), (348, 232770), (360, 225011), (435, 186216), (522, 155180), (580, 139662), (696, 116385), (870, 93108), (1044, 77590), (1160, 69831), (1305, 62072), (1740, 46554), (2088, 38795), (2610, 31036), (3480, 23277), (5220, 15518), (7759, 10440)]