78211380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100271}}^1$

素因数の和:100296

約数の個数: 48

約数和(自身を含む): 235839744

約数和(自身を除く): 157628364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 100271, 200542, 300813, 401084, 501355, 601626, 1002710, 1203252, 1303523, 1504065, 2005420, 2607046, 3008130, 3910569, 5214092, 6016260, 6517615, 7821138, 13035230, 15642276, 19552845, 26070460, 39105690, 78211380]

約数ペア:

[(1, 78211380), (2, 39105690), (3, 26070460), (4, 19552845), (5, 15642276), (6, 13035230), (10, 7821138), (12, 6517615), (13, 6016260), (15, 5214092), (20, 3910569), (26, 3008130), (30, 2607046), (39, 2005420), (52, 1504065), (60, 1303523), (65, 1203252), (78, 1002710), (130, 601626), (156, 501355), (195, 401084), (260, 300813), (390, 200542), (780, 100271)]