163916520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2131}}^1$

素因数の和:2786

約数の個数: 64

約数和(自身を含む): 492747840

約数和(自身を除く): 328831320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 1282, 1923, 2131, 2564, 3205, 3846, 4262, 5128, 6393, 6410, 7692, 8524, 9615, 10655, 12786, 12820, 15384, 17048, 19230, 21310, 25572, 25640, 31965, 38460, 42620, 51144, 63930, 76920, 85240, 127860, 255720, 1365971, 2731942, 4097913, 5463884, 6829855, 8195826, 10927768, 13659710, 16391652, 20489565, 27319420, 32783304, 40979130, 54638840, 81958260, 163916520]

約数ペア:

[(1, 163916520), (2, 81958260), (3, 54638840), (4, 40979130), (5, 32783304), (6, 27319420), (8, 20489565), (10, 16391652), (12, 13659710), (15, 10927768), (20, 8195826), (24, 6829855), (30, 5463884), (40, 4097913), (60, 2731942), (120, 1365971), (641, 255720), (1282, 127860), (1923, 85240), (2131, 76920), (2564, 63930), (3205, 51144), (3846, 42620), (4262, 38460), (5128, 31965), (6393, 25640), (6410, 25572), (7692, 21310), (8524, 19230), (9615, 17048), (10655, 15384), (12786, 12820)]