15906660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 56128128

約数和(自身を除く): 40221468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 313, 330, 363, 385, 420, 462, 484, 605, 626, 660, 726, 770, 847, 924, 939, 1155, 1210, 1252, 1452, 1540, 1565, 1694, 1815, 1878, 2191, 2310, 2420, 2541, 3130, 3388, 3443, 3630, 3756, 4235, 4382, 4620, 4695, 5082, 6260, 6573, 6886, 7260, 8470, 8764, 9390, 10164, 10329, 10955, 12705, 13146, 13772, 16940, 17215, 18780, 20658, 21910, 24101, 25410, 26292, 32865, 34430, 37873, 41316, 43820, 48202, 50820, 51645, 65730, 68860, 72303, 75746, 96404, 103290, 113619, 120505, 131460, 144606, 151492, 189365, 206580, 227238, 241010, 265111, 289212, 361515, 378730, 454476, 482020, 530222, 568095, 723030, 757460, 795333, 1060444, 1136190, 1325555, 1446060, 1590666, 2272380, 2651110, 3181332, 3976665, 5302220, 7953330, 15906660]

約数ペア:

[(1, 15906660), (2, 7953330), (3, 5302220), (4, 3976665), (5, 3181332), (6, 2651110), (7, 2272380), (10, 1590666), (11, 1446060), (12, 1325555), (14, 1136190), (15, 1060444), (20, 795333), (21, 757460), (22, 723030), (28, 568095), (30, 530222), (33, 482020), (35, 454476), (42, 378730), (44, 361515), (55, 289212), (60, 265111), (66, 241010), (70, 227238), (77, 206580), (84, 189365), (105, 151492), (110, 144606), (121, 131460), (132, 120505), (140, 113619), (154, 103290), (165, 96404), (210, 75746), (220, 72303), (231, 68860), (242, 65730), (308, 51645), (313, 50820), (330, 48202), (363, 43820), (385, 41316), (420, 37873), (462, 34430), (484, 32865), (605, 26292), (626, 25410), (660, 24101), (726, 21910), (770, 20658), (847, 18780), (924, 17215), (939, 16940), (1155, 13772), (1210, 13146), (1252, 12705), (1452, 10955), (1540, 10329), (1565, 10164), (1694, 9390), (1815, 8764), (1878, 8470), (2191, 7260), (2310, 6886), (2420, 6573), (2541, 6260), (3130, 5082), (3388, 4695), (3443, 4620), (3630, 4382), (3756, 4235)]