378784980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{300623}}^1$

素因数の和:300645

約数の個数: 72

約数和(自身を含む): 1313125632

約数和(自身を除く): 934340652

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, 300623, 601246, 901869, 1202492, 1503115, 1803738, 2104361, 2705607, 3006230, 3607476, 4208722, 4509345, 5411214, 6012460, 6313083, 8417444, 9018690, 10521805, 10822428, 12626166, 13528035, 18037380, 18939249, 21043610, 25252332, 27056070, 31565415, 37878498, 42087220, 54112140, 63130830, 75756996, 94696245, 126261660, 189392490, 378784980]

約数ペア:

[(1, 378784980), (2, 189392490), (3, 126261660), (4, 94696245), (5, 75756996), (6, 63130830), (7, 54112140), (9, 42087220), (10, 37878498), (12, 31565415), (14, 27056070), (15, 25252332), (18, 21043610), (20, 18939249), (21, 18037380), (28, 13528035), (30, 12626166), (35, 10822428), (36, 10521805), (42, 9018690), (45, 8417444), (60, 6313083), (63, 6012460), (70, 5411214), (84, 4509345), (90, 4208722), (105, 3607476), (126, 3006230), (140, 2705607), (180, 2104361), (210, 1803738), (252, 1503115), (315, 1202492), (420, 901869), (630, 601246), (1260, 300623)]