77993580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185699}}^1$

素因数の和:185718

約数の個数: 48

約数和(自身を含む): 249580800

約数和(自身を除く): 171587220

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, 185699, 371398, 557097, 742796, 928495, 1114194, 1299893, 1856990, 2228388, 2599786, 2785485, 3713980, 3899679, 5199572, 5570970, 6499465, 7799358, 11141940, 12998930, 15598716, 19498395, 25997860, 38996790, 77993580]

約数ペア:

[(1, 77993580), (2, 38996790), (3, 25997860), (4, 19498395), (5, 15598716), (6, 12998930), (7, 11141940), (10, 7799358), (12, 6499465), (14, 5570970), (15, 5199572), (20, 3899679), (21, 3713980), (28, 2785485), (30, 2599786), (35, 2228388), (42, 1856990), (60, 1299893), (70, 1114194), (84, 928495), (105, 742796), (140, 557097), (210, 371398), (420, 185699)]