1821552840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7057}}^1$

素因数の和:7316

約数の個数: 128

約数和(自身を含む): 6098112000

約数和(自身を除く): 4276559160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 239, 270, 360, 478, 540, 717, 956, 1080, 1195, 1434, 1912, 2151, 2390, 2868, 3585, 4302, 4780, 5736, 6453, 7057, 7170, 8604, 9560, 10755, 12906, 14114, 14340, 17208, 21171, 21510, 25812, 28228, 28680, 32265, 35285, 42342, 43020, 51624, 56456, 63513, 64530, 70570, 84684, 86040, 105855, 127026, 129060, 141140, 169368, 190539, 211710, 254052, 258120, 282280, 317565, 381078, 423420, 508104, 635130, 762156, 846840, 952695, 1270260, 1524312, 1686623, 1905390, 2540520, 3373246, 3810780, 5059869, 6746492, 7621560, 8433115, 10119738, 13492984, 15179607, 16866230, 20239476, 25299345, 30359214, 33732460, 40478952, 45538821, 50598690, 60718428, 67464920, 75898035, 91077642, 101197380, 121436856, 151796070, 182155284, 202394760, 227694105, 303592140, 364310568, 455388210, 607184280, 910776420, 1821552840]

約数ペア:

[(1, 1821552840), (2, 910776420), (3, 607184280), (4, 455388210), (5, 364310568), (6, 303592140), (8, 227694105), (9, 202394760), (10, 182155284), (12, 151796070), (15, 121436856), (18, 101197380), (20, 91077642), (24, 75898035), (27, 67464920), (30, 60718428), (36, 50598690), (40, 45538821), (45, 40478952), (54, 33732460), (60, 30359214), (72, 25299345), (90, 20239476), (108, 16866230), (120, 15179607), (135, 13492984), (180, 10119738), (216, 8433115), (239, 7621560), (270, 6746492), (360, 5059869), (478, 3810780), (540, 3373246), (717, 2540520), (956, 1905390), (1080, 1686623), (1195, 1524312), (1434, 1270260), (1912, 952695), (2151, 846840), (2390, 762156), (2868, 635130), (3585, 508104), (4302, 423420), (4780, 381078), (5736, 317565), (6453, 282280), (7057, 258120), (7170, 254052), (8604, 211710), (9560, 190539), (10755, 169368), (12906, 141140), (14114, 129060), (14340, 127026), (17208, 105855), (21171, 86040), (21510, 84684), (25812, 70570), (28228, 64530), (28680, 63513), (32265, 56456), (35285, 51624), (42342, 43020)]