40821720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2087}}^1$

素因数の和:2264

約数の個数: 64

約数和(自身を含む): 123275520

約数和(自身を除く): 82453800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2087, 2445, 3260, 3912, 4174, 4890, 6261, 6520, 8348, 9780, 10435, 12522, 16696, 19560, 20870, 25044, 31305, 41740, 50088, 62610, 83480, 125220, 250440, 340181, 680362, 1020543, 1360724, 1700905, 2041086, 2721448, 3401810, 4082172, 5102715, 6803620, 8164344, 10205430, 13607240, 20410860, 40821720]

約数ペア:

[(1, 40821720), (2, 20410860), (3, 13607240), (4, 10205430), (5, 8164344), (6, 6803620), (8, 5102715), (10, 4082172), (12, 3401810), (15, 2721448), (20, 2041086), (24, 1700905), (30, 1360724), (40, 1020543), (60, 680362), (120, 340181), (163, 250440), (326, 125220), (489, 83480), (652, 62610), (815, 50088), (978, 41740), (1304, 31305), (1630, 25044), (1956, 20870), (2087, 19560), (2445, 16696), (3260, 12522), (3912, 10435), (4174, 9780), (4890, 8348), (6261, 6520)]