15657040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 42283008

約数和(自身を除く): 26625968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 383, 511, 560, 584, 730, 766, 1022, 1168, 1460, 1532, 1915, 2044, 2555, 2681, 2920, 3064, 3830, 4088, 5110, 5362, 5840, 6128, 7660, 8176, 10220, 10724, 13405, 15320, 20440, 21448, 26810, 27959, 30640, 40880, 42896, 53620, 55918, 107240, 111836, 139795, 195713, 214480, 223672, 279590, 391426, 447344, 559180, 782852, 978565, 1118360, 1565704, 1957130, 2236720, 3131408, 3914260, 7828520, 15657040]

約数ペア:

[(1, 15657040), (2, 7828520), (4, 3914260), (5, 3131408), (7, 2236720), (8, 1957130), (10, 1565704), (14, 1118360), (16, 978565), (20, 782852), (28, 559180), (35, 447344), (40, 391426), (56, 279590), (70, 223672), (73, 214480), (80, 195713), (112, 139795), (140, 111836), (146, 107240), (280, 55918), (292, 53620), (365, 42896), (383, 40880), (511, 30640), (560, 27959), (584, 26810), (730, 21448), (766, 20440), (1022, 15320), (1168, 13405), (1460, 10724), (1532, 10220), (1915, 8176), (2044, 7660), (2555, 6128), (2681, 5840), (2920, 5362), (3064, 5110), (3830, 4088)]