1284975720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{509911}}^1$

素因数の和:509935

約数の個数: 96

約数和(自身を含む): 4772776320

約数和(自身を除く): 3487800600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 509911, 1019822, 1529733, 2039644, 2549555, 3059466, 3569377, 4079288, 4589199, 5099110, 6118932, 7138754, 7648665, 9178398, 10198220, 10708131, 12237864, 14277508, 15297330, 17846885, 18356796, 20396440, 21416262, 22945995, 28555016, 30594660, 32124393, 35693770, 36713592, 42832524, 45891990, 53540655, 61189320, 64248786, 71387540, 85665048, 91783980, 107081310, 128497572, 142775080, 160621965, 183567960, 214162620, 256995144, 321243930, 428325240, 642487860, 1284975720]

約数ペア:

[(1, 1284975720), (2, 642487860), (3, 428325240), (4, 321243930), (5, 256995144), (6, 214162620), (7, 183567960), (8, 160621965), (9, 142775080), (10, 128497572), (12, 107081310), (14, 91783980), (15, 85665048), (18, 71387540), (20, 64248786), (21, 61189320), (24, 53540655), (28, 45891990), (30, 42832524), (35, 36713592), (36, 35693770), (40, 32124393), (42, 30594660), (45, 28555016), (56, 22945995), (60, 21416262), (63, 20396440), (70, 18356796), (72, 17846885), (84, 15297330), (90, 14277508), (105, 12237864), (120, 10708131), (126, 10198220), (140, 9178398), (168, 7648665), (180, 7138754), (210, 6118932), (252, 5099110), (280, 4589199), (315, 4079288), (360, 3569377), (420, 3059466), (504, 2549555), (630, 2039644), (840, 1529733), (1260, 1019822), (2520, 509911)]