2807929040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{9851}}^1$

素因数の和:10380

約数の個数: 80

約数和(自身を含む): 7476485760

約数和(自身を除く): 4668556720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 509, 560, 1018, 2036, 2545, 3563, 4072, 5090, 7126, 8144, 9851, 10180, 14252, 17815, 19702, 20360, 28504, 35630, 39404, 40720, 49255, 57008, 68957, 71260, 78808, 98510, 137914, 142520, 157616, 197020, 275828, 285040, 344785, 394040, 551656, 689570, 788080, 1103312, 1379140, 2758280, 5014159, 5516560, 10028318, 20056636, 25070795, 35099113, 40113272, 50141590, 70198226, 80226544, 100283180, 140396452, 175495565, 200566360, 280792904, 350991130, 401132720, 561585808, 701982260, 1403964520, 2807929040]

約数ペア:

[(1, 2807929040), (2, 1403964520), (4, 701982260), (5, 561585808), (7, 401132720), (8, 350991130), (10, 280792904), (14, 200566360), (16, 175495565), (20, 140396452), (28, 100283180), (35, 80226544), (40, 70198226), (56, 50141590), (70, 40113272), (80, 35099113), (112, 25070795), (140, 20056636), (280, 10028318), (509, 5516560), (560, 5014159), (1018, 2758280), (2036, 1379140), (2545, 1103312), (3563, 788080), (4072, 689570), (5090, 551656), (7126, 394040), (8144, 344785), (9851, 285040), (10180, 275828), (14252, 197020), (17815, 157616), (19702, 142520), (20360, 137914), (28504, 98510), (35630, 78808), (39404, 71260), (40720, 68957), (49255, 57008)]