72612280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{449}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 176904000

約数和(自身を除く): 104291720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 311, 449, 520, 622, 898, 1244, 1555, 1796, 2245, 2488, 3110, 3592, 4043, 4490, 5837, 6220, 8086, 8980, 11674, 12440, 16172, 17960, 20215, 23348, 29185, 32344, 40430, 46696, 58370, 80860, 116740, 139639, 161720, 233480, 279278, 558556, 698195, 1117112, 1396390, 1815307, 2792780, 3630614, 5585560, 7261228, 9076535, 14522456, 18153070, 36306140, 72612280]

約数ペア:

[(1, 72612280), (2, 36306140), (4, 18153070), (5, 14522456), (8, 9076535), (10, 7261228), (13, 5585560), (20, 3630614), (26, 2792780), (40, 1815307), (52, 1396390), (65, 1117112), (104, 698195), (130, 558556), (260, 279278), (311, 233480), (449, 161720), (520, 139639), (622, 116740), (898, 80860), (1244, 58370), (1555, 46696), (1796, 40430), (2245, 32344), (2488, 29185), (3110, 23348), (3592, 20215), (4043, 17960), (4490, 16172), (5837, 12440), (6220, 11674), (8086, 8980)]