289475760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172307}}^1$

素因数の和:172330

約数の個数: 80

約数和(自身を含む): 1025577216

約数和(自身を除く): 736101456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172307, 344614, 516921, 689228, 861535, 1033842, 1206149, 1378456, 1723070, 2067684, 2412298, 2584605, 2756912, 3446140, 3618447, 4135368, 4824596, 5169210, 6030745, 6892280, 7236894, 8270736, 9649192, 10338420, 12061490, 13784560, 14473788, 18092235, 19298384, 20676840, 24122980, 28947576, 36184470, 41353680, 48245960, 57895152, 72368940, 96491920, 144737880, 289475760]

約数ペア:

[(1, 289475760), (2, 144737880), (3, 96491920), (4, 72368940), (5, 57895152), (6, 48245960), (7, 41353680), (8, 36184470), (10, 28947576), (12, 24122980), (14, 20676840), (15, 19298384), (16, 18092235), (20, 14473788), (21, 13784560), (24, 12061490), (28, 10338420), (30, 9649192), (35, 8270736), (40, 7236894), (42, 6892280), (48, 6030745), (56, 5169210), (60, 4824596), (70, 4135368), (80, 3618447), (84, 3446140), (105, 2756912), (112, 2584605), (120, 2412298), (140, 2067684), (168, 1723070), (210, 1378456), (240, 1206149), (280, 1033842), (336, 861535), (420, 689228), (560, 516921), (840, 344614), (1680, 172307)]