15139768840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1744213}}^1$

素因数の和:1744262

約数の個数: 64

約数和(自身を含む): 40186690560

約数和(自身を除く): 25046921720

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, 1744213, 3488426, 6976852, 8721065, 12209491, 13953704, 17442130, 24418982, 34884260, 48837964, 54070603, 61047455, 69768520, 97675928, 108141206, 122094910, 216282412, 244189820, 270353015, 378494221, 432564824, 488379640, 540706030, 756988442, 1081412060, 1513976884, 1892471105, 2162824120, 3027953768, 3784942210, 7569884420, 15139768840]

約数ペア:

[(1, 15139768840), (2, 7569884420), (4, 3784942210), (5, 3027953768), (7, 2162824120), (8, 1892471105), (10, 1513976884), (14, 1081412060), (20, 756988442), (28, 540706030), (31, 488379640), (35, 432564824), (40, 378494221), (56, 270353015), (62, 244189820), (70, 216282412), (124, 122094910), (140, 108141206), (155, 97675928), (217, 69768520), (248, 61047455), (280, 54070603), (310, 48837964), (434, 34884260), (620, 24418982), (868, 17442130), (1085, 13953704), (1240, 12209491), (1736, 8721065), (2170, 6976852), (4340, 3488426), (8680, 1744213)]