257658570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24469}}^1$

素因数の和:24501

約数の個数: 80

約数和(自身を含む): 746139240

約数和(自身を除く): 488480670

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265, 10530, 24469, 48938, 73407, 122345, 146814, 220221, 244690, 318097, 367035, 440442, 636194, 660663, 734070, 954291, 1101105, 1321326, 1590485, 1908582, 1981989, 2202210, 2862873, 3180970, 3303315, 3963978, 4771455, 5725746, 6606630, 8588619, 9542910, 9909945, 14314365, 17177238, 19819890, 25765857, 28628730, 42943095, 51531714, 85886190, 128829285, 257658570]

約数ペア:

[(1, 257658570), (2, 128829285), (3, 85886190), (5, 51531714), (6, 42943095), (9, 28628730), (10, 25765857), (13, 19819890), (15, 17177238), (18, 14314365), (26, 9909945), (27, 9542910), (30, 8588619), (39, 6606630), (45, 5725746), (54, 4771455), (65, 3963978), (78, 3303315), (81, 3180970), (90, 2862873), (117, 2202210), (130, 1981989), (135, 1908582), (162, 1590485), (195, 1321326), (234, 1101105), (270, 954291), (351, 734070), (390, 660663), (405, 636194), (585, 440442), (702, 367035), (810, 318097), (1053, 244690), (1170, 220221), (1755, 146814), (2106, 122345), (3510, 73407), (5265, 48938), (10530, 24469)]