31864980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75869}}^1$

素因数の和:75888

約数の個数: 48

約数和(自身を含む): 101969280

約数和(自身を除く): 70104300

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, 75869, 151738, 227607, 303476, 379345, 455214, 531083, 758690, 910428, 1062166, 1138035, 1517380, 1593249, 2124332, 2276070, 2655415, 3186498, 4552140, 5310830, 6372996, 7966245, 10621660, 15932490, 31864980]

約数ペア:

[(1, 31864980), (2, 15932490), (3, 10621660), (4, 7966245), (5, 6372996), (6, 5310830), (7, 4552140), (10, 3186498), (12, 2655415), (14, 2276070), (15, 2124332), (20, 1593249), (21, 1517380), (28, 1138035), (30, 1062166), (35, 910428), (42, 758690), (60, 531083), (70, 455214), (84, 379345), (105, 303476), (140, 227607), (210, 151738), (420, 75869)]