15952720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 43175808

約数和(自身を除く): 27223088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 467, 488, 560, 610, 854, 934, 976, 1220, 1708, 1868, 2135, 2335, 2440, 3269, 3416, 3736, 4270, 4670, 4880, 6538, 6832, 7472, 8540, 9340, 13076, 16345, 17080, 18680, 26152, 28487, 32690, 34160, 37360, 52304, 56974, 65380, 113948, 130760, 142435, 199409, 227896, 261520, 284870, 398818, 455792, 569740, 797636, 997045, 1139480, 1595272, 1994090, 2278960, 3190544, 3988180, 7976360, 15952720]

約数ペア:

[(1, 15952720), (2, 7976360), (4, 3988180), (5, 3190544), (7, 2278960), (8, 1994090), (10, 1595272), (14, 1139480), (16, 997045), (20, 797636), (28, 569740), (35, 455792), (40, 398818), (56, 284870), (61, 261520), (70, 227896), (80, 199409), (112, 142435), (122, 130760), (140, 113948), (244, 65380), (280, 56974), (305, 52304), (427, 37360), (467, 34160), (488, 32690), (560, 28487), (610, 26152), (854, 18680), (934, 17080), (976, 16345), (1220, 13076), (1708, 9340), (1868, 8540), (2135, 7472), (2335, 6832), (2440, 6538), (3269, 4880), (3416, 4670), (3736, 4270)]