1245686520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{798517}}^1$

素因数の和:798544

約数の個数: 64

約数和(自身を含む): 4024530720

約数和(自身を除く): 2778844200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 798517, 1597034, 2395551, 3194068, 3992585, 4791102, 6388136, 7985170, 9582204, 10380721, 11977755, 15970340, 19164408, 20761442, 23955510, 31142163, 31940680, 41522884, 47911020, 51903605, 62284326, 83045768, 95822040, 103807210, 124568652, 155710815, 207614420, 249137304, 311421630, 415228840, 622843260, 1245686520]

約数ペア:

[(1, 1245686520), (2, 622843260), (3, 415228840), (4, 311421630), (5, 249137304), (6, 207614420), (8, 155710815), (10, 124568652), (12, 103807210), (13, 95822040), (15, 83045768), (20, 62284326), (24, 51903605), (26, 47911020), (30, 41522884), (39, 31940680), (40, 31142163), (52, 23955510), (60, 20761442), (65, 19164408), (78, 15970340), (104, 11977755), (120, 10380721), (130, 9582204), (156, 7985170), (195, 6388136), (260, 4791102), (312, 3992585), (390, 3194068), (520, 2395551), (780, 1597034), (1560, 798517)]