71974140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{24481}}^1$

素因数の和:24507

約数の個数: 72

約数和(自身を含む): 234439632

約数和(自身を除く): 162465492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 24481, 48962, 73443, 97924, 122405, 146886, 171367, 244810, 293772, 342734, 367215, 489620, 514101, 685468, 734430, 856835, 1028202, 1199569, 1468860, 1713670, 2056404, 2399138, 2570505, 3427340, 3598707, 4798276, 5141010, 5997845, 7197414, 10282020, 11995690, 14394828, 17993535, 23991380, 35987070, 71974140]

約数ペア:

[(1, 71974140), (2, 35987070), (3, 23991380), (4, 17993535), (5, 14394828), (6, 11995690), (7, 10282020), (10, 7197414), (12, 5997845), (14, 5141010), (15, 4798276), (20, 3598707), (21, 3427340), (28, 2570505), (30, 2399138), (35, 2056404), (42, 1713670), (49, 1468860), (60, 1199569), (70, 1028202), (84, 856835), (98, 734430), (105, 685468), (140, 514101), (147, 489620), (196, 367215), (210, 342734), (245, 293772), (294, 244810), (420, 171367), (490, 146886), (588, 122405), (735, 97924), (980, 73443), (1470, 48962), (2940, 24481)]