61509140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3631}}^1$

素因数の和:3669

約数の個数: 72

約数和(自身を含む): 162306816

約数和(自身を除く): 100797676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 3631, 4235, 7262, 8470, 14524, 16940, 18155, 25417, 36310, 39941, 50834, 72620, 79882, 101668, 127085, 159764, 199705, 254170, 279587, 399410, 439351, 508340, 559174, 798820, 878702, 1118348, 1397935, 1757404, 2196755, 2795870, 3075457, 4393510, 5591740, 6150914, 8787020, 12301828, 15377285, 30754570, 61509140]

約数ペア:

[(1, 61509140), (2, 30754570), (4, 15377285), (5, 12301828), (7, 8787020), (10, 6150914), (11, 5591740), (14, 4393510), (20, 3075457), (22, 2795870), (28, 2196755), (35, 1757404), (44, 1397935), (55, 1118348), (70, 878702), (77, 798820), (110, 559174), (121, 508340), (140, 439351), (154, 399410), (220, 279587), (242, 254170), (308, 199705), (385, 159764), (484, 127085), (605, 101668), (770, 79882), (847, 72620), (1210, 50834), (1540, 39941), (1694, 36310), (2420, 25417), (3388, 18155), (3631, 16940), (4235, 14524), (7262, 8470)]