138725160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:951

約数の個数: 128

約数和(自身を含む): 478310400

約数和(自身を除く): 339585240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 691, 717, 840, 956, 1195, 1382, 1434, 1673, 1912, 2073, 2390, 2764, 2868, 3346, 3455, 3585, 4146, 4780, 4837, 5019, 5528, 5736, 6692, 6910, 7170, 8292, 8365, 9560, 9674, 10038, 10365, 13384, 13820, 14340, 14511, 16584, 16730, 19348, 20076, 20730, 24185, 25095, 27640, 28680, 29022, 33460, 38696, 40152, 41460, 48370, 50190, 58044, 66920, 72555, 82920, 96740, 100380, 116088, 145110, 165149, 193480, 200760, 290220, 330298, 495447, 580440, 660596, 825745, 990894, 1156043, 1321192, 1651490, 1981788, 2312086, 2477235, 3302980, 3468129, 3963576, 4624172, 4954470, 5780215, 6605960, 6936258, 9248344, 9908940, 11560430, 13872516, 17340645, 19817880, 23120860, 27745032, 34681290, 46241720, 69362580, 138725160]

約数ペア:

[(1, 138725160), (2, 69362580), (3, 46241720), (4, 34681290), (5, 27745032), (6, 23120860), (7, 19817880), (8, 17340645), (10, 13872516), (12, 11560430), (14, 9908940), (15, 9248344), (20, 6936258), (21, 6605960), (24, 5780215), (28, 4954470), (30, 4624172), (35, 3963576), (40, 3468129), (42, 3302980), (56, 2477235), (60, 2312086), (70, 1981788), (84, 1651490), (105, 1321192), (120, 1156043), (140, 990894), (168, 825745), (210, 660596), (239, 580440), (280, 495447), (420, 330298), (478, 290220), (691, 200760), (717, 193480), (840, 165149), (956, 145110), (1195, 116088), (1382, 100380), (1434, 96740), (1673, 82920), (1912, 72555), (2073, 66920), (2390, 58044), (2764, 50190), (2868, 48370), (3346, 41460), (3455, 40152), (3585, 38696), (4146, 33460), (4780, 29022), (4837, 28680), (5019, 27640), (5528, 25095), (5736, 24185), (6692, 20730), (6910, 20076), (7170, 19348), (8292, 16730), (8365, 16584), (9560, 14511), (9674, 14340), (10038, 13820), (10365, 13384)]