15696520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 41068800

約数和(自身を除く): 25372280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 919, 1220, 1708, 1838, 2135, 2440, 3416, 3676, 4270, 4595, 6433, 7352, 8540, 9190, 12866, 17080, 18380, 25732, 32165, 36760, 51464, 56059, 64330, 112118, 128660, 224236, 257320, 280295, 392413, 448472, 560590, 784826, 1121180, 1569652, 1962065, 2242360, 3139304, 3924130, 7848260, 15696520]

約数ペア:

[(1, 15696520), (2, 7848260), (4, 3924130), (5, 3139304), (7, 2242360), (8, 1962065), (10, 1569652), (14, 1121180), (20, 784826), (28, 560590), (35, 448472), (40, 392413), (56, 280295), (61, 257320), (70, 224236), (122, 128660), (140, 112118), (244, 64330), (280, 56059), (305, 51464), (427, 36760), (488, 32165), (610, 25732), (854, 18380), (919, 17080), (1220, 12866), (1708, 9190), (1838, 8540), (2135, 7352), (2440, 6433), (3416, 4595), (3676, 4270)]