990900240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{375341}}^1$

素因数の和:375368

約数の個数: 80

約数和(自身を含む): 3351053376

約数和(自身を除く): 2360153136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 375341, 750682, 1126023, 1501364, 1876705, 2252046, 3002728, 3753410, 4128751, 4504092, 5630115, 6005456, 7506820, 8257502, 9008184, 11260230, 12386253, 15013640, 16515004, 18016368, 20643755, 22520460, 24772506, 30027280, 33030008, 41287510, 45040920, 49545012, 61931265, 66060016, 82575020, 90081840, 99090024, 123862530, 165150040, 198180048, 247725060, 330300080, 495450120, 990900240]

約数ペア:

[(1, 990900240), (2, 495450120), (3, 330300080), (4, 247725060), (5, 198180048), (6, 165150040), (8, 123862530), (10, 99090024), (11, 90081840), (12, 82575020), (15, 66060016), (16, 61931265), (20, 49545012), (22, 45040920), (24, 41287510), (30, 33030008), (33, 30027280), (40, 24772506), (44, 22520460), (48, 20643755), (55, 18016368), (60, 16515004), (66, 15013640), (80, 12386253), (88, 11260230), (110, 9008184), (120, 8257502), (132, 7506820), (165, 6005456), (176, 5630115), (220, 4504092), (240, 4128751), (264, 3753410), (330, 3002728), (440, 2252046), (528, 1876705), (660, 1501364), (880, 1126023), (1320, 750682), (2640, 375341)]