2821560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{3359}}^1$

素因数の和:3380

約数の個数: 64

約数和(自身を含む): 9676800

約数和(自身を除く): 6855240

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, 280, 420, 840, 3359, 6718, 10077, 13436, 16795, 20154, 23513, 26872, 33590, 40308, 47026, 50385, 67180, 70539, 80616, 94052, 100770, 117565, 134360, 141078, 188104, 201540, 235130, 282156, 352695, 403080, 470260, 564312, 705390, 940520, 1410780, 2821560]

約数ペア:

[(1, 2821560), (2, 1410780), (3, 940520), (4, 705390), (5, 564312), (6, 470260), (7, 403080), (8, 352695), (10, 282156), (12, 235130), (14, 201540), (15, 188104), (20, 141078), (21, 134360), (24, 117565), (28, 100770), (30, 94052), (35, 80616), (40, 70539), (42, 67180), (56, 50385), (60, 47026), (70, 40308), (84, 33590), (105, 26872), (120, 23513), (140, 20154), (168, 16795), (210, 13436), (280, 10077), (420, 6718), (840, 3359)]