39986520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 138378240

約数和(自身を除く): 98391720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 263, 280, 362, 420, 526, 543, 724, 789, 840, 905, 1052, 1086, 1267, 1315, 1448, 1578, 1810, 1841, 2104, 2172, 2534, 2630, 2715, 3156, 3620, 3682, 3801, 3945, 4344, 5068, 5260, 5430, 5523, 6312, 6335, 7240, 7364, 7602, 7890, 9205, 10136, 10520, 10860, 11046, 12670, 14728, 15204, 15780, 18410, 19005, 21720, 22092, 25340, 27615, 30408, 31560, 36820, 38010, 44184, 47603, 50680, 55230, 73640, 76020, 95206, 110460, 142809, 152040, 190412, 220920, 238015, 285618, 333221, 380824, 476030, 571236, 666442, 714045, 952060, 999663, 1142472, 1332884, 1428090, 1666105, 1904120, 1999326, 2665768, 2856180, 3332210, 3998652, 4998315, 5712360, 6664420, 7997304, 9996630, 13328840, 19993260, 39986520]

約数ペア:

[(1, 39986520), (2, 19993260), (3, 13328840), (4, 9996630), (5, 7997304), (6, 6664420), (7, 5712360), (8, 4998315), (10, 3998652), (12, 3332210), (14, 2856180), (15, 2665768), (20, 1999326), (21, 1904120), (24, 1666105), (28, 1428090), (30, 1332884), (35, 1142472), (40, 999663), (42, 952060), (56, 714045), (60, 666442), (70, 571236), (84, 476030), (105, 380824), (120, 333221), (140, 285618), (168, 238015), (181, 220920), (210, 190412), (263, 152040), (280, 142809), (362, 110460), (420, 95206), (526, 76020), (543, 73640), (724, 55230), (789, 50680), (840, 47603), (905, 44184), (1052, 38010), (1086, 36820), (1267, 31560), (1315, 30408), (1448, 27615), (1578, 25340), (1810, 22092), (1841, 21720), (2104, 19005), (2172, 18410), (2534, 15780), (2630, 15204), (2715, 14728), (3156, 12670), (3620, 11046), (3682, 10860), (3801, 10520), (3945, 10136), (4344, 9205), (5068, 7890), (5260, 7602), (5430, 7364), (5523, 7240), (6312, 6335)]