15816320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1933

約数の個数: 64

約数和(自身を含む): 40740840

約数和(自身を除く): 24924520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 1901, 2080, 3802, 4160, 7604, 8320, 9505, 15208, 19010, 24713, 30416, 38020, 49426, 60832, 76040, 98852, 121664, 123565, 152080, 197704, 243328, 247130, 304160, 395408, 494260, 608320, 790816, 988520, 1216640, 1581632, 1977040, 3163264, 3954080, 7908160, 15816320]

約数ペア:

[(1, 15816320), (2, 7908160), (4, 3954080), (5, 3163264), (8, 1977040), (10, 1581632), (13, 1216640), (16, 988520), (20, 790816), (26, 608320), (32, 494260), (40, 395408), (52, 304160), (64, 247130), (65, 243328), (80, 197704), (104, 152080), (128, 123565), (130, 121664), (160, 98852), (208, 76040), (260, 60832), (320, 49426), (416, 38020), (520, 30416), (640, 24713), (832, 19010), (1040, 15208), (1664, 9505), (1901, 8320), (2080, 7604), (3802, 4160)]