81097240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9343}}^1$

素因数の和:9392

約数の個数: 64

約数和(自身を含む): 215285760

約数和(自身を除く): 134188520

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, 8680, 9343, 18686, 37372, 46715, 65401, 74744, 93430, 130802, 186860, 261604, 289633, 327005, 373720, 523208, 579266, 654010, 1158532, 1308020, 1448165, 2027431, 2317064, 2616040, 2896330, 4054862, 5792660, 8109724, 10137155, 11585320, 16219448, 20274310, 40548620, 81097240]

約数ペア:

[(1, 81097240), (2, 40548620), (4, 20274310), (5, 16219448), (7, 11585320), (8, 10137155), (10, 8109724), (14, 5792660), (20, 4054862), (28, 2896330), (31, 2616040), (35, 2317064), (40, 2027431), (56, 1448165), (62, 1308020), (70, 1158532), (124, 654010), (140, 579266), (155, 523208), (217, 373720), (248, 327005), (280, 289633), (310, 261604), (434, 186860), (620, 130802), (868, 93430), (1085, 74744), (1240, 65401), (1736, 46715), (2170, 37372), (4340, 18686), (8680, 9343)]