80404380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 192

約数和(自身を含む): 290304000

約数和(自身を除く): 209899620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 89, 90, 105, 108, 126, 135, 140, 178, 180, 189, 210, 239, 252, 267, 270, 315, 356, 378, 420, 445, 478, 534, 540, 623, 630, 717, 756, 801, 890, 945, 956, 1068, 1195, 1246, 1260, 1335, 1434, 1602, 1673, 1780, 1869, 1890, 2151, 2390, 2403, 2492, 2670, 2868, 3115, 3204, 3346, 3585, 3738, 3780, 4005, 4302, 4780, 4806, 5019, 5340, 5607, 6230, 6453, 6692, 7170, 7476, 8010, 8365, 8604, 9345, 9612, 10038, 10755, 11214, 12015, 12460, 12906, 14340, 15057, 16020, 16730, 16821, 18690, 20076, 21271, 21510, 22428, 24030, 25095, 25812, 28035, 30114, 32265, 33460, 33642, 37380, 42542, 43020, 45171, 48060, 50190, 56070, 60228, 63813, 64530, 67284, 75285, 84105, 85084, 90342, 100380, 106355, 112140, 127626, 129060, 148897, 150570, 168210, 180684, 191439, 212710, 225855, 255252, 297794, 301140, 319065, 336420, 382878, 425420, 446691, 451710, 574317, 595588, 638130, 744485, 765756, 893382, 903420, 957195, 1148634, 1276260, 1340073, 1488970, 1786764, 1914390, 2233455, 2297268, 2680146, 2871585, 2977940, 3828780, 4020219, 4466910, 5360292, 5743170, 6700365, 8040438, 8933820, 11486340, 13400730, 16080876, 20101095, 26801460, 40202190, 80404380]

約数ペア:

[(1, 80404380), (2, 40202190), (3, 26801460), (4, 20101095), (5, 16080876), (6, 13400730), (7, 11486340), (9, 8933820), (10, 8040438), (12, 6700365), (14, 5743170), (15, 5360292), (18, 4466910), (20, 4020219), (21, 3828780), (27, 2977940), (28, 2871585), (30, 2680146), (35, 2297268), (36, 2233455), (42, 1914390), (45, 1786764), (54, 1488970), (60, 1340073), (63, 1276260), (70, 1148634), (84, 957195), (89, 903420), (90, 893382), (105, 765756), (108, 744485), (126, 638130), (135, 595588), (140, 574317), (178, 451710), (180, 446691), (189, 425420), (210, 382878), (239, 336420), (252, 319065), (267, 301140), (270, 297794), (315, 255252), (356, 225855), (378, 212710), (420, 191439), (445, 180684), (478, 168210), (534, 150570), (540, 148897), (623, 129060), (630, 127626), (717, 112140), (756, 106355), (801, 100380), (890, 90342), (945, 85084), (956, 84105), (1068, 75285), (1195, 67284), (1246, 64530), (1260, 63813), (1335, 60228), (1434, 56070), (1602, 50190), (1673, 48060), (1780, 45171), (1869, 43020), (1890, 42542), (2151, 37380), (2390, 33642), (2403, 33460), (2492, 32265), (2670, 30114), (2868, 28035), (3115, 25812), (3204, 25095), (3346, 24030), (3585, 22428), (3738, 21510), (3780, 21271), (4005, 20076), (4302, 18690), (4780, 16821), (4806, 16730), (5019, 16020), (5340, 15057), (5607, 14340), (6230, 12906), (6453, 12460), (6692, 12015), (7170, 11214), (7476, 10755), (8010, 10038), (8365, 9612), (8604, 9345)]