131225920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{8369}}^1$

素因数の和:8400

約数の個数: 84

約数和(自身を含む): 363542580

約数和(自身を除く): 232316660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 8369, 15680, 16738, 33476, 41845, 58583, 66952, 83690, 117166, 133904, 167380, 234332, 267808, 292915, 334760, 410081, 468664, 535616, 585830, 669520, 820162, 937328, 1171660, 1339040, 1640324, 1874656, 2050405, 2343320, 2678080, 3280648, 3749312, 4100810, 4686640, 6561296, 8201620, 9373280, 13122592, 16403240, 18746560, 26245184, 32806480, 65612960, 131225920]

約数ペア:

[(1, 131225920), (2, 65612960), (4, 32806480), (5, 26245184), (7, 18746560), (8, 16403240), (10, 13122592), (14, 9373280), (16, 8201620), (20, 6561296), (28, 4686640), (32, 4100810), (35, 3749312), (40, 3280648), (49, 2678080), (56, 2343320), (64, 2050405), (70, 1874656), (80, 1640324), (98, 1339040), (112, 1171660), (140, 937328), (160, 820162), (196, 669520), (224, 585830), (245, 535616), (280, 468664), (320, 410081), (392, 334760), (448, 292915), (490, 267808), (560, 234332), (784, 167380), (980, 133904), (1120, 117166), (1568, 83690), (1960, 66952), (2240, 58583), (3136, 41845), (3920, 33476), (7840, 16738), (8369, 15680)]