15821260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8693}}^1$

素因数の和:8722

約数の個数: 48

約数和(自身を含む): 40896576

約数和(自身を除く): 25075316

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 8693, 17386, 34772, 43465, 60851, 86930, 113009, 121702, 173860, 226018, 243404, 304255, 452036, 565045, 608510, 791063, 1130090, 1217020, 1582126, 2260180, 3164252, 3955315, 7910630, 15821260]

約数ペア:

[(1, 15821260), (2, 7910630), (4, 3955315), (5, 3164252), (7, 2260180), (10, 1582126), (13, 1217020), (14, 1130090), (20, 791063), (26, 608510), (28, 565045), (35, 452036), (52, 304255), (65, 243404), (70, 226018), (91, 173860), (130, 121702), (140, 113009), (182, 86930), (260, 60851), (364, 43465), (455, 34772), (910, 17386), (1820, 8693)]