820909260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{268271}}^1$

素因数の和:268303

約数の個数: 72

約数和(自身を含む): 2636577216

約数和(自身を除く): 1815667956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 268271, 536542, 804813, 1073084, 1341355, 1609626, 2414439, 2682710, 3219252, 4024065, 4560607, 4828878, 5365420, 8048130, 9121214, 9657756, 12072195, 13681821, 16096260, 18242428, 22803035, 24144390, 27363642, 41045463, 45606070, 48288780, 54727284, 68409105, 82090926, 91212140, 136818210, 164181852, 205227315, 273636420, 410454630, 820909260]

約数ペア:

[(1, 820909260), (2, 410454630), (3, 273636420), (4, 205227315), (5, 164181852), (6, 136818210), (9, 91212140), (10, 82090926), (12, 68409105), (15, 54727284), (17, 48288780), (18, 45606070), (20, 41045463), (30, 27363642), (34, 24144390), (36, 22803035), (45, 18242428), (51, 16096260), (60, 13681821), (68, 12072195), (85, 9657756), (90, 9121214), (102, 8048130), (153, 5365420), (170, 4828878), (180, 4560607), (204, 4024065), (255, 3219252), (306, 2682710), (340, 2414439), (510, 1609626), (612, 1341355), (765, 1073084), (1020, 804813), (1530, 536542), (3060, 268271)]