1620780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 5515776

約数和(自身を除く): 3894996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 227, 238, 255, 340, 357, 420, 454, 476, 510, 595, 681, 714, 908, 1020, 1135, 1190, 1362, 1428, 1589, 1785, 2270, 2380, 2724, 3178, 3405, 3570, 3859, 4540, 4767, 6356, 6810, 7140, 7718, 7945, 9534, 11577, 13620, 15436, 15890, 19068, 19295, 23154, 23835, 27013, 31780, 38590, 46308, 47670, 54026, 57885, 77180, 81039, 95340, 108052, 115770, 135065, 162078, 231540, 270130, 324156, 405195, 540260, 810390, 1620780]

約数ペア:

[(1, 1620780), (2, 810390), (3, 540260), (4, 405195), (5, 324156), (6, 270130), (7, 231540), (10, 162078), (12, 135065), (14, 115770), (15, 108052), (17, 95340), (20, 81039), (21, 77180), (28, 57885), (30, 54026), (34, 47670), (35, 46308), (42, 38590), (51, 31780), (60, 27013), (68, 23835), (70, 23154), (84, 19295), (85, 19068), (102, 15890), (105, 15436), (119, 13620), (140, 11577), (170, 9534), (204, 7945), (210, 7718), (227, 7140), (238, 6810), (255, 6356), (340, 4767), (357, 4540), (420, 3859), (454, 3570), (476, 3405), (510, 3178), (595, 2724), (681, 2380), (714, 2270), (908, 1785), (1020, 1589), (1135, 1428), (1190, 1362)]