71748880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4133}}^1$

素因数の和:4184

約数の個数: 80

約数和(自身を含む): 196844544

約数和(自身を除く): 125095664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4133, 4340, 8266, 8680, 16532, 17360, 20665, 28931, 33064, 41330, 57862, 66128, 82660, 115724, 128123, 144655, 165320, 231448, 256246, 289310, 330640, 462896, 512492, 578620, 640615, 896861, 1024984, 1157240, 1281230, 1793722, 2049968, 2314480, 2562460, 3587444, 4484305, 5124920, 7174888, 8968610, 10249840, 14349776, 17937220, 35874440, 71748880]

約数ペア:

[(1, 71748880), (2, 35874440), (4, 17937220), (5, 14349776), (7, 10249840), (8, 8968610), (10, 7174888), (14, 5124920), (16, 4484305), (20, 3587444), (28, 2562460), (31, 2314480), (35, 2049968), (40, 1793722), (56, 1281230), (62, 1157240), (70, 1024984), (80, 896861), (112, 640615), (124, 578620), (140, 512492), (155, 462896), (217, 330640), (248, 289310), (280, 256246), (310, 231448), (434, 165320), (496, 144655), (560, 128123), (620, 115724), (868, 82660), (1085, 66128), (1240, 57862), (1736, 41330), (2170, 33064), (2480, 28931), (3472, 20665), (4133, 17360), (4340, 16532), (8266, 8680)]