6681990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 18745344

約数和(自身を除く): 12063354

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 677, 705, 987, 1354, 1410, 1645, 1974, 2031, 3290, 3385, 4062, 4739, 4935, 6770, 9478, 9870, 10155, 14217, 20310, 23695, 28434, 31819, 47390, 63638, 71085, 95457, 142170, 159095, 190914, 222733, 318190, 445466, 477285, 668199, 954570, 1113665, 1336398, 2227330, 3340995, 6681990]

約数ペア:

[(1, 6681990), (2, 3340995), (3, 2227330), (5, 1336398), (6, 1113665), (7, 954570), (10, 668199), (14, 477285), (15, 445466), (21, 318190), (30, 222733), (35, 190914), (42, 159095), (47, 142170), (70, 95457), (94, 71085), (105, 63638), (141, 47390), (210, 31819), (235, 28434), (282, 23695), (329, 20310), (470, 14217), (658, 10155), (677, 9870), (705, 9478), (987, 6770), (1354, 4935), (1410, 4739), (1645, 4062), (1974, 3385), (2031, 3290)]