378187320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{450223}}^1$

素因数の和:450244

約数の個数: 64

約数和(自身を含む): 1296645120

約数和(自身を除く): 918457800

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, 450223, 900446, 1350669, 1800892, 2251115, 2701338, 3151561, 3601784, 4502230, 5402676, 6303122, 6753345, 9004460, 9454683, 10805352, 12606244, 13506690, 15757805, 18008920, 18909366, 25212488, 27013380, 31515610, 37818732, 47273415, 54026760, 63031220, 75637464, 94546830, 126062440, 189093660, 378187320]

約数ペア:

[(1, 378187320), (2, 189093660), (3, 126062440), (4, 94546830), (5, 75637464), (6, 63031220), (7, 54026760), (8, 47273415), (10, 37818732), (12, 31515610), (14, 27013380), (15, 25212488), (20, 18909366), (21, 18008920), (24, 15757805), (28, 13506690), (30, 12606244), (35, 10805352), (40, 9454683), (42, 9004460), (56, 6753345), (60, 6303122), (70, 5402676), (84, 4502230), (105, 3601784), (120, 3151561), (140, 2701338), (168, 2251115), (210, 1800892), (280, 1350669), (420, 900446), (840, 450223)]