255019440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81737}}^1$

素因数の和:81766

約数の個数: 80

約数和(自身を含む): 851383008

約数和(自身を除く): 596363568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 81737, 163474, 245211, 326948, 408685, 490422, 653896, 817370, 980844, 1062581, 1226055, 1307792, 1634740, 1961688, 2125162, 2452110, 3187743, 3269480, 3923376, 4250324, 4904220, 5312905, 6375486, 6538960, 8500648, 9808440, 10625810, 12750972, 15938715, 17001296, 19616880, 21251620, 25501944, 31877430, 42503240, 51003888, 63754860, 85006480, 127509720, 255019440]

約数ペア:

[(1, 255019440), (2, 127509720), (3, 85006480), (4, 63754860), (5, 51003888), (6, 42503240), (8, 31877430), (10, 25501944), (12, 21251620), (13, 19616880), (15, 17001296), (16, 15938715), (20, 12750972), (24, 10625810), (26, 9808440), (30, 8500648), (39, 6538960), (40, 6375486), (48, 5312905), (52, 4904220), (60, 4250324), (65, 3923376), (78, 3269480), (80, 3187743), (104, 2452110), (120, 2125162), (130, 1961688), (156, 1634740), (195, 1307792), (208, 1226055), (240, 1062581), (260, 980844), (312, 817370), (390, 653896), (520, 490422), (624, 408685), (780, 326948), (1040, 245211), (1560, 163474), (3120, 81737)]