40501980

素因数分解:

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

素因数の和:7803

約数の個数: 72

約数和(自身を含む): 127108800

約数和(自身を除く): 86606820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 7759, 15518, 23277, 31036, 38795, 46554, 69831, 77590, 93108, 116385, 139662, 155180, 225011, 232770, 279324, 349155, 450022, 465540, 675033, 698310, 900044, 1125055, 1350066, 1396620, 2025099, 2250110, 2700132, 3375165, 4050198, 4500220, 6750330, 8100396, 10125495, 13500660, 20250990, 40501980]

約数ペア:

[(1, 40501980), (2, 20250990), (3, 13500660), (4, 10125495), (5, 8100396), (6, 6750330), (9, 4500220), (10, 4050198), (12, 3375165), (15, 2700132), (18, 2250110), (20, 2025099), (29, 1396620), (30, 1350066), (36, 1125055), (45, 900044), (58, 698310), (60, 675033), (87, 465540), (90, 450022), (116, 349155), (145, 279324), (174, 232770), (180, 225011), (261, 155180), (290, 139662), (348, 116385), (435, 93108), (522, 77590), (580, 69831), (870, 46554), (1044, 38795), (1305, 31036), (1740, 23277), (2610, 15518), (5220, 7759)]