159730120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5113}}^1$

素因数の和:5206

約数の個数: 64

約数和(自身を含む): 397664640

約数和(自身を除く): 237934520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 5113, 6248, 7810, 10226, 15620, 20452, 25565, 31240, 40904, 51130, 56243, 102260, 112486, 204520, 224972, 281215, 363023, 449944, 562430, 726046, 1124860, 1452092, 1815115, 2249720, 2904184, 3630230, 3993253, 7260460, 7986506, 14520920, 15973012, 19966265, 31946024, 39932530, 79865060, 159730120]

約数ペア:

[(1, 159730120), (2, 79865060), (4, 39932530), (5, 31946024), (8, 19966265), (10, 15973012), (11, 14520920), (20, 7986506), (22, 7260460), (40, 3993253), (44, 3630230), (55, 2904184), (71, 2249720), (88, 1815115), (110, 1452092), (142, 1124860), (220, 726046), (284, 562430), (355, 449944), (440, 363023), (568, 281215), (710, 224972), (781, 204520), (1420, 112486), (1562, 102260), (2840, 56243), (3124, 51130), (3905, 40904), (5113, 31240), (6248, 25565), (7810, 20452), (10226, 15620)]