827185840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 160

約数和(自身を含む): 2165486400

約数和(自身を除く): 1338300560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 53, 65, 80, 86, 104, 106, 130, 172, 208, 212, 215, 260, 265, 344, 349, 424, 430, 520, 530, 559, 688, 689, 698, 848, 860, 1040, 1060, 1118, 1378, 1396, 1720, 1745, 2120, 2236, 2279, 2756, 2792, 2795, 3440, 3445, 3490, 4240, 4472, 4537, 4558, 5512, 5584, 5590, 6890, 6980, 8944, 9074, 9116, 11024, 11180, 11395, 13780, 13960, 15007, 18148, 18232, 18497, 22360, 22685, 22790, 27560, 27920, 29627, 30014, 36296, 36464, 36994, 44720, 45370, 45580, 55120, 59254, 60028, 72592, 73988, 75035, 90740, 91160, 92485, 118508, 120056, 147976, 148135, 150070, 181480, 182320, 184970, 195091, 237016, 240112, 240461, 295952, 296270, 300140, 362960, 369940, 390182, 474032, 480922, 592540, 600280, 739880, 780364, 795371, 961844, 975455, 1185080, 1200560, 1202305, 1479760, 1560728, 1590742, 1923688, 1950910, 2370160, 2404610, 3121456, 3181484, 3847376, 3901820, 3976855, 4809220, 6362968, 7803640, 7953710, 9618440, 10339823, 12725936, 15607280, 15907420, 19236880, 20679646, 31814840, 41359292, 51699115, 63629680, 82718584, 103398230, 165437168, 206796460, 413592920, 827185840]

約数ペア:

[(1, 827185840), (2, 413592920), (4, 206796460), (5, 165437168), (8, 103398230), (10, 82718584), (13, 63629680), (16, 51699115), (20, 41359292), (26, 31814840), (40, 20679646), (43, 19236880), (52, 15907420), (53, 15607280), (65, 12725936), (80, 10339823), (86, 9618440), (104, 7953710), (106, 7803640), (130, 6362968), (172, 4809220), (208, 3976855), (212, 3901820), (215, 3847376), (260, 3181484), (265, 3121456), (344, 2404610), (349, 2370160), (424, 1950910), (430, 1923688), (520, 1590742), (530, 1560728), (559, 1479760), (688, 1202305), (689, 1200560), (698, 1185080), (848, 975455), (860, 961844), (1040, 795371), (1060, 780364), (1118, 739880), (1378, 600280), (1396, 592540), (1720, 480922), (1745, 474032), (2120, 390182), (2236, 369940), (2279, 362960), (2756, 300140), (2792, 296270), (2795, 295952), (3440, 240461), (3445, 240112), (3490, 237016), (4240, 195091), (4472, 184970), (4537, 182320), (4558, 181480), (5512, 150070), (5584, 148135), (5590, 147976), (6890, 120056), (6980, 118508), (8944, 92485), (9074, 91160), (9116, 90740), (11024, 75035), (11180, 73988), (11395, 72592), (13780, 60028), (13960, 59254), (15007, 55120), (18148, 45580), (18232, 45370), (18497, 44720), (22360, 36994), (22685, 36464), (22790, 36296), (27560, 30014), (27920, 29627)]