1639260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1301}}^1$

素因数の和:1323

約数の個数: 72

約数和(自身を含む): 5687136

約数和(自身を除く): 4047876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1301, 2602, 3903, 5204, 6505, 7806, 9107, 11709, 13010, 15612, 18214, 19515, 23418, 26020, 27321, 36428, 39030, 45535, 46836, 54642, 58545, 78060, 81963, 91070, 109284, 117090, 136605, 163926, 182140, 234180, 273210, 327852, 409815, 546420, 819630, 1639260]

約数ペア:

[(1, 1639260), (2, 819630), (3, 546420), (4, 409815), (5, 327852), (6, 273210), (7, 234180), (9, 182140), (10, 163926), (12, 136605), (14, 117090), (15, 109284), (18, 91070), (20, 81963), (21, 78060), (28, 58545), (30, 54642), (35, 46836), (36, 45535), (42, 39030), (45, 36428), (60, 27321), (63, 26020), (70, 23418), (84, 19515), (90, 18214), (105, 15612), (126, 13010), (140, 11709), (180, 9107), (210, 7806), (252, 6505), (315, 5204), (420, 3903), (630, 2602), (1260, 1301)]