489653640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:537

約数の個数: 256

約数和(自身を含む): 1880064000

約数和(自身を除く): 1390410360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 239, 252, 270, 271, 280, 315, 360, 378, 420, 478, 504, 540, 542, 630, 717, 756, 813, 840, 945, 956, 1080, 1084, 1195, 1260, 1355, 1434, 1512, 1626, 1673, 1890, 1897, 1912, 2151, 2168, 2390, 2439, 2520, 2710, 2868, 3252, 3346, 3585, 3780, 3794, 4065, 4302, 4780, 4878, 5019, 5420, 5691, 5736, 6453, 6504, 6692, 7170, 7317, 7560, 7588, 8130, 8365, 8604, 9485, 9560, 9756, 10038, 10755, 10840, 11382, 12195, 12906, 13384, 14340, 14634, 15057, 15176, 16260, 16730, 17073, 17208, 18970, 19512, 20076, 21510, 22764, 24390, 25095, 25812, 28455, 28680, 29268, 30114, 32265, 32520, 33460, 34146, 36585, 37940, 40152, 43020, 45171, 45528, 48780, 50190, 51219, 51624, 56910, 58536, 60228, 64530, 64769, 66920, 68292, 73170, 75285, 75880, 85365, 86040, 90342, 97560, 100380, 102438, 113820, 120456, 129060, 129538, 136584, 146340, 150570, 170730, 180684, 194307, 200760, 204876, 225855, 227640, 256095, 258120, 259076, 292680, 301140, 323845, 341460, 361368, 388614, 409752, 451710, 453383, 512190, 518152, 582921, 602280, 647690, 682920, 777228, 903420, 906766, 971535, 1024380, 1165842, 1295380, 1360149, 1554456, 1748763, 1806840, 1813532, 1943070, 2048760, 2266915, 2331684, 2590760, 2720298, 2914605, 3497526, 3627064, 3886140, 4080447, 4533830, 4663368, 5440596, 5829210, 6800745, 6995052, 7772280, 8160894, 8743815, 9067660, 10881192, 11658420, 12241341, 13601490, 13990104, 16321788, 17487630, 18135320, 20402235, 23316840, 24482682, 27202980, 32643576, 34975260, 40804470, 48965364, 54405960, 61206705, 69950520, 81608940, 97930728, 122413410, 163217880, 244826820, 489653640]

約数ペア:

[(1, 489653640), (2, 244826820), (3, 163217880), (4, 122413410), (5, 97930728), (6, 81608940), (7, 69950520), (8, 61206705), (9, 54405960), (10, 48965364), (12, 40804470), (14, 34975260), (15, 32643576), (18, 27202980), (20, 24482682), (21, 23316840), (24, 20402235), (27, 18135320), (28, 17487630), (30, 16321788), (35, 13990104), (36, 13601490), (40, 12241341), (42, 11658420), (45, 10881192), (54, 9067660), (56, 8743815), (60, 8160894), (63, 7772280), (70, 6995052), (72, 6800745), (84, 5829210), (90, 5440596), (105, 4663368), (108, 4533830), (120, 4080447), (126, 3886140), (135, 3627064), (140, 3497526), (168, 2914605), (180, 2720298), (189, 2590760), (210, 2331684), (216, 2266915), (239, 2048760), (252, 1943070), (270, 1813532), (271, 1806840), (280, 1748763), (315, 1554456), (360, 1360149), (378, 1295380), (420, 1165842), (478, 1024380), (504, 971535), (540, 906766), (542, 903420), (630, 777228), (717, 682920), (756, 647690), (813, 602280), (840, 582921), (945, 518152), (956, 512190), (1080, 453383), (1084, 451710), (1195, 409752), (1260, 388614), (1355, 361368), (1434, 341460), (1512, 323845), (1626, 301140), (1673, 292680), (1890, 259076), (1897, 258120), (1912, 256095), (2151, 227640), (2168, 225855), (2390, 204876), (2439, 200760), (2520, 194307), (2710, 180684), (2868, 170730), (3252, 150570), (3346, 146340), (3585, 136584), (3780, 129538), (3794, 129060), (4065, 120456), (4302, 113820), (4780, 102438), (4878, 100380), (5019, 97560), (5420, 90342), (5691, 86040), (5736, 85365), (6453, 75880), (6504, 75285), (6692, 73170), (7170, 68292), (7317, 66920), (7560, 64769), (7588, 64530), (8130, 60228), (8365, 58536), (8604, 56910), (9485, 51624), (9560, 51219), (9756, 50190), (10038, 48780), (10755, 45528), (10840, 45171), (11382, 43020), (12195, 40152), (12906, 37940), (13384, 36585), (14340, 34146), (14634, 33460), (15057, 32520), (15176, 32265), (16260, 30114), (16730, 29268), (17073, 28680), (17208, 28455), (18970, 25812), (19512, 25095), (20076, 24390), (21510, 22764)]