47719140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{16231}}^1$

素因数の和:16257

約数の個数: 72

約数和(自身を含む): 155437632

約数和(自身を除く): 107718492

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, 16231, 32462, 48693, 64924, 81155, 97386, 113617, 162310, 194772, 227234, 243465, 324620, 340851, 454468, 486930, 568085, 681702, 795319, 973860, 1136170, 1363404, 1590638, 1704255, 2272340, 2385957, 3181276, 3408510, 3976595, 4771914, 6817020, 7953190, 9543828, 11929785, 15906380, 23859570, 47719140]

約数ペア:

[(1, 47719140), (2, 23859570), (3, 15906380), (4, 11929785), (5, 9543828), (6, 7953190), (7, 6817020), (10, 4771914), (12, 3976595), (14, 3408510), (15, 3181276), (20, 2385957), (21, 2272340), (28, 1704255), (30, 1590638), (35, 1363404), (42, 1136170), (49, 973860), (60, 795319), (70, 681702), (84, 568085), (98, 486930), (105, 454468), (140, 340851), (147, 324620), (196, 243465), (210, 227234), (245, 194772), (294, 162310), (420, 113617), (490, 97386), (588, 81155), (735, 64924), (980, 48693), (1470, 32462), (2940, 16231)]