7556780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 20167056

約数和(自身を除く): 12610276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 701, 770, 980, 1078, 1402, 1540, 2156, 2695, 2804, 3505, 4907, 5390, 7010, 7711, 9814, 10780, 14020, 15422, 19628, 24535, 30844, 34349, 38555, 49070, 53977, 68698, 77110, 98140, 107954, 137396, 154220, 171745, 215908, 269885, 343490, 377839, 539770, 686980, 755678, 1079540, 1511356, 1889195, 3778390, 7556780]

約数ペア:

[(1, 7556780), (2, 3778390), (4, 1889195), (5, 1511356), (7, 1079540), (10, 755678), (11, 686980), (14, 539770), (20, 377839), (22, 343490), (28, 269885), (35, 215908), (44, 171745), (49, 154220), (55, 137396), (70, 107954), (77, 98140), (98, 77110), (110, 68698), (140, 53977), (154, 49070), (196, 38555), (220, 34349), (245, 30844), (308, 24535), (385, 19628), (490, 15422), (539, 14020), (701, 10780), (770, 9814), (980, 7711), (1078, 7010), (1402, 5390), (1540, 4907), (2156, 3505), (2695, 2804)]