145008780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{345259}}^1$

素因数の和:345278

約数の個数: 48

約数和(自身を含む): 464029440

約数和(自身を除く): 319020660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 345259, 690518, 1035777, 1381036, 1726295, 2071554, 2416813, 3452590, 4143108, 4833626, 5178885, 6905180, 7250439, 9667252, 10357770, 12084065, 14500878, 20715540, 24168130, 29001756, 36252195, 48336260, 72504390, 145008780]

約数ペア:

[(1, 145008780), (2, 72504390), (3, 48336260), (4, 36252195), (5, 29001756), (6, 24168130), (7, 20715540), (10, 14500878), (12, 12084065), (14, 10357770), (15, 9667252), (20, 7250439), (21, 6905180), (28, 5178885), (30, 4833626), (35, 4143108), (42, 3452590), (60, 2416813), (70, 2071554), (84, 1726295), (105, 1381036), (140, 1035777), (210, 690518), (420, 345259)]