156905980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 414328320

約数和(自身を除く): 257422340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 139, 140, 154, 220, 278, 308, 385, 556, 695, 733, 770, 973, 1390, 1466, 1529, 1540, 1946, 2780, 2932, 3058, 3665, 3892, 4865, 5131, 6116, 7330, 7645, 8063, 9730, 10262, 10703, 14660, 15290, 16126, 19460, 20524, 21406, 25655, 30580, 32252, 40315, 42812, 51310, 53515, 56441, 80630, 101887, 102620, 107030, 112882, 161260, 203774, 214060, 225764, 282205, 407548, 509435, 564410, 713209, 1018870, 1120757, 1128820, 1426418, 2037740, 2241514, 2852836, 3566045, 4483028, 5603785, 7132090, 7845299, 11207570, 14264180, 15690598, 22415140, 31381196, 39226495, 78452990, 156905980]

約数ペア:

[(1, 156905980), (2, 78452990), (4, 39226495), (5, 31381196), (7, 22415140), (10, 15690598), (11, 14264180), (14, 11207570), (20, 7845299), (22, 7132090), (28, 5603785), (35, 4483028), (44, 3566045), (55, 2852836), (70, 2241514), (77, 2037740), (110, 1426418), (139, 1128820), (140, 1120757), (154, 1018870), (220, 713209), (278, 564410), (308, 509435), (385, 407548), (556, 282205), (695, 225764), (733, 214060), (770, 203774), (973, 161260), (1390, 112882), (1466, 107030), (1529, 102620), (1540, 101887), (1946, 80630), (2780, 56441), (2932, 53515), (3058, 51310), (3665, 42812), (3892, 40315), (4865, 32252), (5131, 30580), (6116, 25655), (7330, 21406), (7645, 20524), (8063, 19460), (9730, 16126), (10262, 15290), (10703, 14660)]