71774920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8269}}^1$

素因数の和:8318

約数の個数: 64

約数和(自身を含む): 190540800

約数和(自身を除く): 118765880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8269, 8680, 16538, 33076, 41345, 57883, 66152, 82690, 115766, 165380, 231532, 256339, 289415, 330760, 463064, 512678, 578830, 1025356, 1157660, 1281695, 1794373, 2050712, 2315320, 2563390, 3588746, 5126780, 7177492, 8971865, 10253560, 14354984, 17943730, 35887460, 71774920]

約数ペア:

[(1, 71774920), (2, 35887460), (4, 17943730), (5, 14354984), (7, 10253560), (8, 8971865), (10, 7177492), (14, 5126780), (20, 3588746), (28, 2563390), (31, 2315320), (35, 2050712), (40, 1794373), (56, 1281695), (62, 1157660), (70, 1025356), (124, 578830), (140, 512678), (155, 463064), (217, 330760), (248, 289415), (280, 256339), (310, 231532), (434, 165380), (620, 115766), (868, 82690), (1085, 66152), (1240, 57883), (1736, 41345), (2170, 33076), (4340, 16538), (8269, 8680)]