42540540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101287}}^1$

素因数の和:101306

約数の個数: 48

約数和(自身を含む): 136131072

約数和(自身を除く): 93590532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 101287, 202574, 303861, 405148, 506435, 607722, 709009, 1012870, 1215444, 1418018, 1519305, 2025740, 2127027, 2836036, 3038610, 3545045, 4254054, 6077220, 7090090, 8508108, 10635135, 14180180, 21270270, 42540540]

約数ペア:

[(1, 42540540), (2, 21270270), (3, 14180180), (4, 10635135), (5, 8508108), (6, 7090090), (7, 6077220), (10, 4254054), (12, 3545045), (14, 3038610), (15, 2836036), (20, 2127027), (21, 2025740), (28, 1519305), (30, 1418018), (35, 1215444), (42, 1012870), (60, 709009), (70, 607722), (84, 506435), (105, 405148), (140, 303861), (210, 202574), (420, 101287)]