245751240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{292561}}^1$

素因数の和:292582

約数の個数: 64

約数和(自身を含む): 842578560

約数和(自身を除く): 596827320

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, 292561, 585122, 877683, 1170244, 1462805, 1755366, 2047927, 2340488, 2925610, 3510732, 4095854, 4388415, 5851220, 6143781, 7021464, 8191708, 8776830, 10239635, 11702440, 12287562, 16383416, 17553660, 20479270, 24575124, 30718905, 35107320, 40958540, 49150248, 61437810, 81917080, 122875620, 245751240]

約数ペア:

[(1, 245751240), (2, 122875620), (3, 81917080), (4, 61437810), (5, 49150248), (6, 40958540), (7, 35107320), (8, 30718905), (10, 24575124), (12, 20479270), (14, 17553660), (15, 16383416), (20, 12287562), (21, 11702440), (24, 10239635), (28, 8776830), (30, 8191708), (35, 7021464), (40, 6143781), (42, 5851220), (56, 4388415), (60, 4095854), (70, 3510732), (84, 2925610), (105, 2340488), (120, 2047927), (140, 1755366), (168, 1462805), (210, 1170244), (280, 877683), (420, 585122), (840, 292561)]