64885240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2389}}^1$

素因数の和:2504

約数の個数: 64

約数和(自身を含む): 168638400

約数和(自身を除く): 103753160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2389, 2716, 3395, 3880, 4778, 5432, 6790, 9556, 11945, 13580, 16723, 19112, 23890, 27160, 33446, 47780, 66892, 83615, 95560, 133784, 167230, 231733, 334460, 463466, 668920, 926932, 1158665, 1622131, 1853864, 2317330, 3244262, 4634660, 6488524, 8110655, 9269320, 12977048, 16221310, 32442620, 64885240]

約数ペア:

[(1, 64885240), (2, 32442620), (4, 16221310), (5, 12977048), (7, 9269320), (8, 8110655), (10, 6488524), (14, 4634660), (20, 3244262), (28, 2317330), (35, 1853864), (40, 1622131), (56, 1158665), (70, 926932), (97, 668920), (140, 463466), (194, 334460), (280, 231733), (388, 167230), (485, 133784), (679, 95560), (776, 83615), (970, 66892), (1358, 47780), (1940, 33446), (2389, 27160), (2716, 23890), (3395, 19112), (3880, 16723), (4778, 13580), (5432, 11945), (6790, 9556)]